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Finding the Fourth Proportional to 488,280.48, 732,489.90 and 151,347.61

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Solution

The fourth proportional to 488,280.48, 732,489.90 and 151,347.61 is: 227,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,280.48 : 732,489.90 = 151,347.61 : x
  2. Step 2: Convert to fraction form
    488,280.48/732,489.90 = 151,347.61/x
  3. Step 3: Cross multiply
    488,280.48x = 732,489.90 × 151,347.61
  4. Step 4: Simplify right side
    488,280.48x = 110,860,595,714.14
  5. Step 5: Solve for x
    x = 110,860,595,714.14/488,280.48
  6. Step 6: Final answer
    x = 227,042.86

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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.