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Finding the Fourth Proportional to 527,337.76, 727,720.32 and 285,614.32

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Solution

The fourth proportional to 527,337.76, 727,720.32 and 285,614.32 is: 394,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,337.76 : 727,720.32 = 285,614.32 : x
  2. Step 2: Convert to fraction form
    527,337.76/727,720.32 = 285,614.32/x
  3. Step 3: Cross multiply
    527,337.76x = 727,720.32 × 285,614.32
  4. Step 4: Simplify right side
    527,337.76x = 207,847,344,346.98
  5. Step 5: Solve for x
    x = 207,847,344,346.98/527,337.76
  6. Step 6: Final answer
    x = 394,144.63

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1.5x scale

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.