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Finding the Fourth Proportional to 635,825.76, 951,396.12 and 383,254.80

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Solution

The fourth proportional to 635,825.76, 951,396.12 and 383,254.80 is: 573,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,825.76 : 951,396.12 = 383,254.80 : x
  2. Step 2: Convert to fraction form
    635,825.76/951,396.12 = 383,254.80/x
  3. Step 3: Cross multiply
    635,825.76x = 951,396.12 × 383,254.80
  4. Step 4: Simplify right side
    635,825.76x = 364,627,129,691.38
  5. Step 5: Solve for x
    x = 364,627,129,691.38/635,825.76
  6. Step 6: Final answer
    x = 573,470.21

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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.