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Finding the Fourth Proportional to 499,234.59, 748,704.06 and 144,251.82

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Solution

The fourth proportional to 499,234.59, 748,704.06 and 144,251.82 is: 216,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,234.59 : 748,704.06 = 144,251.82 : x
  2. Step 2: Convert to fraction form
    499,234.59/748,704.06 = 144,251.82/x
  3. Step 3: Cross multiply
    499,234.59x = 748,704.06 × 144,251.82
  4. Step 4: Simplify right side
    499,234.59x = 108,001,923,296.39
  5. Step 5: Solve for x
    x = 108,001,923,296.39/499,234.59
  6. Step 6: Final answer
    x = 216,335.02

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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.