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Finding the Fourth Proportional to 451,189.97, 676,760.03 and 151,639.62

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Solution

The fourth proportional to 451,189.97, 676,760.03 and 151,639.62 is: 227,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,189.97 : 676,760.03 = 151,639.62 : x
  2. Step 2: Convert to fraction form
    451,189.97/676,760.03 = 151,639.62/x
  3. Step 3: Cross multiply
    451,189.97x = 676,760.03 × 151,639.62
  4. Step 4: Simplify right side
    451,189.97x = 102,623,633,780.39
  5. Step 5: Solve for x
    x = 102,623,633,780.39/451,189.97
  6. Step 6: Final answer
    x = 227,451.05

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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.