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Finding the Fourth Proportional to 527,909.60, 791,864.40 and 497,496.80

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Solution

The fourth proportional to 527,909.60, 791,864.40 and 497,496.80 is: 746,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,909.60 : 791,864.40 = 497,496.80 : x
  2. Step 2: Convert to fraction form
    527,909.60/791,864.40 = 497,496.80/x
  3. Step 3: Cross multiply
    527,909.60x = 791,864.40 × 497,496.80
  4. Step 4: Simplify right side
    527,909.60x = 393,950,005,033.92
  5. Step 5: Solve for x
    x = 393,950,005,033.92/527,909.60
  6. Step 6: Final answer
    x = 746,245.20

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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.