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: [70.778, -75.802, -67.475, 217.015, 135.594, -93.121, 219.383, 18.162, 114.618, 184.441]
Example Output: [ 0.098 -0.105 -0.093  0.3    0.187 -0.129  0.303  0.025  0.158  0.255]

Example Input: [-56.027, 184.915, 160.356, 108.645]
Example Output: [-0.141  0.465  0.403  0.273]

Example Input: [-20.538, 14.429, 9.82]
Example Output:
[-5.534  3.888  2.646]