A mixed SERP that stacks organic listings against a map pack and a band of ads is telling you the intent is mixed or uncertain and the competition for space is heavy, so your move is to pick the lane you can realistically win, usually by matching the dominant organic content type, or to reconsider whether organic is even viable when ads and the map own most of the page. Read the composition of the results as a strategic instruction, not as background noise. The layout is Google showing you, in advance, how the click is going to be divided and how little of it organic may get.
Take the real estate seriously, because that is what the mix is reporting. A local pack means the intent is partly local, and a chunk of clicks goes to the map rather than any organic result. A full block of ads above the fold means paid is absorbing the high-commercial-intent clicks before an organic result is even seen. A page can rank first organically and still capture a thin slice of a SERP where ads and the map sit on top of it, so writing as if the organic positions own the page sets you up to win a position that does not pay.
The mix also tells you the intent is not clean. A SERP that blends informational listings, a map, and shopping ads is one where Google itself is hedging across several intents, which means there is no single page type that satisfies everyone. That is your cue to choose the lane you can actually compete in rather than trying to be everything.
So the instruction resolves into a decision. If a winnable organic lane exists, identify the dominant organic content type in the mix and build the best version of that, conceding the lanes ads and the map own. If the page shows that ads and the local pack have swallowed the real estate and the organic slice is small and brutally contested, the honest call may be to skip the query and spend the effort where organic can actually earn the click.
Before you commit to a mixed-SERP query, map who owns each part of the page, ads, map, organic, and features, decide whether a winnable organic lane is left, and either match the dominant organic type or walk away. Let the layout pick the fight for you instead of writing blind to it.