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Finding the Fourth Proportional to 532,839.72, 735,329.39 and 291,137.29

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Solution

The fourth proportional to 532,839.72, 735,329.39 and 291,137.29 is: 401,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,839.72 : 735,329.39 = 291,137.29 : x
  2. Step 2: Convert to fraction form
    532,839.72/735,329.39 = 291,137.29/x
  3. Step 3: Cross multiply
    532,839.72x = 735,329.39 × 291,137.29
  4. Step 4: Simplify right side
    532,839.72x = 214,081,804,205.59
  5. Step 5: Solve for x
    x = 214,081,804,205.59/532,839.72
  6. Step 6: Final answer
    x = 401,775.24

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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.