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Finding the Fourth Proportional to 655,177.29, 904,075.07 and 368,692.71

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Solution

The fourth proportional to 655,177.29, 904,075.07 and 368,692.71 is: 508,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,177.29 : 904,075.07 = 368,692.71 : x
  2. Step 2: Convert to fraction form
    655,177.29/904,075.07 = 368,692.71/x
  3. Step 3: Cross multiply
    655,177.29x = 904,075.07 × 368,692.71
  4. Step 4: Simplify right side
    655,177.29x = 333,325,885,758.28
  5. Step 5: Solve for x
    x = 333,325,885,758.28/655,177.29
  6. Step 6: Final answer
    x = 508,756.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.