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: [69.647, 140.02, 236.936]
Example Output: [0.156 0.314 0.531]

Example Input: [104.665, -60.395, 189.505, 184.789, -43.477]
Example Output: [ 0.279 -0.161  0.505  0.493 -0.116]

Example Input: [-56.895, 30.536, 78.312, 185.736]
Example Output:
[-0.239  0.128  0.329  0.781]