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Finding the Fourth Proportional to 529,839.90, 794,759.85 and 472,103.10

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Solution

The fourth proportional to 529,839.90, 794,759.85 and 472,103.10 is: 708,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,839.90 : 794,759.85 = 472,103.10 : x
  2. Step 2: Convert to fraction form
    529,839.90/794,759.85 = 472,103.10/x
  3. Step 3: Cross multiply
    529,839.90x = 794,759.85 × 472,103.10
  4. Step 4: Simplify right side
    529,839.90x = 375,208,588,940.54
  5. Step 5: Solve for x
    x = 375,208,588,940.54/529,839.90
  6. Step 6: Final answer
    x = 708,154.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.