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Finding the Fourth Proportional to 471,591.92, 707,171.31 and 151,684.85

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Solution

The fourth proportional to 471,591.92, 707,171.31 and 151,684.85 is: 227,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,591.92 : 707,171.31 = 151,684.85 : x
  2. Step 2: Convert to fraction form
    471,591.92/707,171.31 = 151,684.85/x
  3. Step 3: Cross multiply
    471,591.92x = 707,171.31 × 151,684.85
  4. Step 4: Simplify right side
    471,591.92x = 107,267,175,849.58
  5. Step 5: Solve for x
    x = 107,267,175,849.58/471,591.92
  6. Step 6: Final answer
    x = 227,457.62

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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.