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Finding the Fourth Proportional to 463,366, 639,115.41 and 425,248.62

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Solution

The fourth proportional to 463,366, 639,115.41 and 425,248.62 is: 586,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,366 : 639,115.41 = 425,248.62 : x
  2. Step 2: Convert to fraction form
    463,366/639,115.41 = 425,248.62/x
  3. Step 3: Cross multiply
    463,366x = 639,115.41 × 425,248.62
  4. Step 4: Simplify right side
    463,366x = 271,782,946,123.23
  5. Step 5: Solve for x
    x = 271,782,946,123.23/463,366
  6. Step 6: Final answer
    x = 586,540.54

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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.