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Finding the Fourth Proportional to 447,538.60, 617,614.50 and 243,600.52

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Solution

The fourth proportional to 447,538.60, 617,614.50 and 243,600.52 is: 336,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,538.60 : 617,614.50 = 243,600.52 : x
  2. Step 2: Convert to fraction form
    447,538.60/617,614.50 = 243,600.52/x
  3. Step 3: Cross multiply
    447,538.60x = 617,614.50 × 243,600.52
  4. Step 4: Simplify right side
    447,538.60x = 150,451,213,359.54
  5. Step 5: Solve for x
    x = 150,451,213,359.54/447,538.60
  6. Step 6: Final answer
    x = 336,174.83

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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.