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Finding the Fourth Proportional to 324,541.62, 447,871.14 and 179,346.78

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Solution

The fourth proportional to 324,541.62, 447,871.14 and 179,346.78 is: 247,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,541.62 : 447,871.14 = 179,346.78 : x
  2. Step 2: Convert to fraction form
    324,541.62/447,871.14 = 179,346.78/x
  3. Step 3: Cross multiply
    324,541.62x = 447,871.14 × 179,346.78
  4. Step 4: Simplify right side
    324,541.62x = 80,324,246,813.93
  5. Step 5: Solve for x
    x = 80,324,246,813.93/324,541.62
  6. Step 6: Final answer
    x = 247,500.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.