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Finding the Fourth Proportional to 488,002.62, 732,062.97 and 172,394.94

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Solution

The fourth proportional to 488,002.62, 732,062.97 and 172,394.94 is: 258,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,002.62 : 732,062.97 = 172,394.94 : x
  2. Step 2: Convert to fraction form
    488,002.62/732,062.97 = 172,394.94/x
  3. Step 3: Cross multiply
    488,002.62x = 732,062.97 × 172,394.94
  4. Step 4: Simplify right side
    488,002.62x = 126,203,951,789.37
  5. Step 5: Solve for x
    x = 126,203,951,789.37/488,002.62
  6. Step 6: Final answer
    x = 258,613.27

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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.