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Finding the Fourth Proportional to 482,463.96, 665,704.26 and 291,487.92

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Solution

The fourth proportional to 482,463.96, 665,704.26 and 291,487.92 is: 402,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,463.96 : 665,704.26 = 291,487.92 : x
  2. Step 2: Convert to fraction form
    482,463.96/665,704.26 = 291,487.92/x
  3. Step 3: Cross multiply
    482,463.96x = 665,704.26 × 291,487.92
  4. Step 4: Simplify right side
    482,463.96x = 194,044,750,082.54
  5. Step 5: Solve for x
    x = 194,044,750,082.54/482,463.96
  6. Step 6: Final answer
    x = 402,195.33

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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.