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Finding the Fourth Proportional to 283,996,822.70, 425,995,234.05 and 254,342,414.90

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Solution

The fourth proportional to 283,996,822.70, 425,995,234.05 and 254,342,414.90 is: 381,513,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,996,822.70 : 425,995,234.05 = 254,342,414.90 : x
  2. Step 2: Convert to fraction form
    283,996,822.70/425,995,234.05 = 254,342,414.90/x
  3. Step 3: Cross multiply
    283,996,822.70x = 425,995,234.05 × 254,342,414.90
  4. Step 4: Simplify right side
    283,996,822.70x = 108,348,656,564,167,712
  5. Step 5: Solve for x
    x = 108,348,656,564,167,712/283,996,822.70
  6. Step 6: Final answer
    x = 381,513,622.35

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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.