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Finding the Fourth Proportional to 488,132.92, 732,716.95 and 432,335.26

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Solution

The fourth proportional to 488,132.92, 732,716.95 and 432,335.26 is: 648,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,132.92 : 732,716.95 = 432,335.26 : x
  2. Step 2: Convert to fraction form
    488,132.92/732,716.95 = 432,335.26/x
  3. Step 3: Cross multiply
    488,132.92x = 732,716.95 × 432,335.26
  4. Step 4: Simplify right side
    488,132.92x = 316,779,373,084.66
  5. Step 5: Solve for x
    x = 316,779,373,084.66/488,132.92
  6. Step 6: Final answer
    x = 648,961.30

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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.