Given the task definition and input, reply with output. In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

[221.987, 18.812, -26.762, 64.544, 185.212, -76.53, 24.814]

[ 0.539  0.046 -0.065  0.157  0.449 -0.186  0.06 ]