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Finding the Fourth Proportional to 488,045.31, 732,540.39 and 235,503.24

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Solution

The fourth proportional to 488,045.31, 732,540.39 and 235,503.24 is: 353,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,045.31 : 732,540.39 = 235,503.24 : x
  2. Step 2: Convert to fraction form
    488,045.31/732,540.39 = 235,503.24/x
  3. Step 3: Cross multiply
    488,045.31x = 732,540.39 × 235,503.24
  4. Step 4: Simplify right side
    488,045.31x = 172,515,635,275.86
  5. Step 5: Solve for x
    x = 172,515,635,275.86/488,045.31
  6. Step 6: Final answer
    x = 353,482.83

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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.