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Finding the Fourth Proportional to 488,542.60, 732,789.60 and 251,909.20

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Solution

The fourth proportional to 488,542.60, 732,789.60 and 251,909.20 is: 377,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,542.60 : 732,789.60 = 251,909.20 : x
  2. Step 2: Convert to fraction form
    488,542.60/732,789.60 = 251,909.20/x
  3. Step 3: Cross multiply
    488,542.60x = 732,789.60 × 251,909.20
  4. Step 4: Simplify right side
    488,542.60x = 184,596,441,904.32
  5. Step 5: Solve for x
    x = 184,596,441,904.32/488,542.60
  6. Step 6: Final answer
    x = 377,851.27

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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.