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Finding the Fourth Proportional to 469,862.17, 648,404.40 and 255,002.38

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Solution

The fourth proportional to 469,862.17, 648,404.40 and 255,002.38 is: 351,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,862.17 : 648,404.40 = 255,002.38 : x
  2. Step 2: Convert to fraction form
    469,862.17/648,404.40 = 255,002.38/x
  3. Step 3: Cross multiply
    469,862.17x = 648,404.40 × 255,002.38
  4. Step 4: Simplify right side
    469,862.17x = 165,344,665,202.47
  5. Step 5: Solve for x
    x = 165,344,665,202.47/469,862.17
  6. Step 6: Final answer
    x = 351,900.36

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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.