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Finding the Fourth Proportional to 300,691.96, 450,481.14 and 150,757.24

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Solution

The fourth proportional to 300,691.96, 450,481.14 and 150,757.24 is: 225,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,691.96 : 450,481.14 = 150,757.24 : x
  2. Step 2: Convert to fraction form
    300,691.96/450,481.14 = 150,757.24/x
  3. Step 3: Cross multiply
    300,691.96x = 450,481.14 × 150,757.24
  4. Step 4: Simplify right side
    300,691.96x = 67,913,293,338.45
  5. Step 5: Solve for x
    x = 67,913,293,338.45/300,691.96
  6. Step 6: Final answer
    x = 225,856.70

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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.