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Finding the Fourth Proportional to 488,229.22, 732,076.86 and 387,673.21

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Solution

The fourth proportional to 488,229.22, 732,076.86 and 387,673.21 is: 581,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,229.22 : 732,076.86 = 387,673.21 : x
  2. Step 2: Convert to fraction form
    488,229.22/732,076.86 = 387,673.21/x
  3. Step 3: Cross multiply
    488,229.22x = 732,076.86 × 387,673.21
  4. Step 4: Simplify right side
    488,229.22x = 283,806,584,452.73
  5. Step 5: Solve for x
    x = 283,806,584,452.73/488,229.22
  6. Step 6: Final answer
    x = 581,297.83

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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.