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.

Example Input: [26.353, 248.25, -61.679, 242.486]
Example Output: [ 0.058  0.545 -0.135  0.532]

Example Input: [31.541, -32.498, 202.96]
Example Output: [ 0.156 -0.161  1.005]

Example Input: [7.126, 220.931, 248.601]
Example Output:
[0.015 0.464 0.522]