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Finding the Fourth Proportional to 392,500.80, 588,834.90 and 224,101.80

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Solution

The fourth proportional to 392,500.80, 588,834.90 and 224,101.80 is: 336,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,500.80 : 588,834.90 = 224,101.80 : x
  2. Step 2: Convert to fraction form
    392,500.80/588,834.90 = 224,101.80/x
  3. Step 3: Cross multiply
    392,500.80x = 588,834.90 × 224,101.80
  4. Step 4: Simplify right side
    392,500.80x = 131,958,960,992.82
  5. Step 5: Solve for x
    x = 131,958,960,992.82/392,500.80
  6. Step 6: Final answer
    x = 336,200.49

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1.5x scale

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.