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Finding the Fourth Proportional to 488,057.67, 731,814.92 and 151,002.70

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Solution

The fourth proportional to 488,057.67, 731,814.92 and 151,002.70 is: 226,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,057.67 : 731,814.92 = 151,002.70 : x
  2. Step 2: Convert to fraction form
    488,057.67/731,814.92 = 151,002.70/x
  3. Step 3: Cross multiply
    488,057.67x = 731,814.92 × 151,002.70
  4. Step 4: Simplify right side
    488,057.67x = 110,506,026,801.99
  5. Step 5: Solve for x
    x = 110,506,026,801.99/488,057.67
  6. Step 6: Final answer
    x = 226,420.02

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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.