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Finding the Fourth Proportional to 616,234.20, 924,351.30 and 607,939.80

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Solution

The fourth proportional to 616,234.20, 924,351.30 and 607,939.80 is: 911,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,234.20 : 924,351.30 = 607,939.80 : x
  2. Step 2: Convert to fraction form
    616,234.20/924,351.30 = 607,939.80/x
  3. Step 3: Cross multiply
    616,234.20x = 924,351.30 × 607,939.80
  4. Step 4: Simplify right side
    616,234.20x = 561,949,944,451.74
  5. Step 5: Solve for x
    x = 561,949,944,451.74/616,234.20
  6. Step 6: Final answer
    x = 911,909.70

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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.