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Finding the Fourth Proportional to 609,524.75, 914,753.69 and 272,435.15

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Solution

The fourth proportional to 609,524.75, 914,753.69 and 272,435.15 is: 408,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,524.75 : 914,753.69 = 272,435.15 : x
  2. Step 2: Convert to fraction form
    609,524.75/914,753.69 = 272,435.15/x
  3. Step 3: Cross multiply
    609,524.75x = 914,753.69 × 272,435.15
  4. Step 4: Simplify right side
    609,524.75x = 249,211,060,694.54
  5. Step 5: Solve for x
    x = 249,211,060,694.54/609,524.75
  6. Step 6: Final answer
    x = 408,861.26

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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.