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Finding the Fourth Proportional to 324,049.68, 447,188.45 and 180,809.69

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Solution

The fourth proportional to 324,049.68, 447,188.45 and 180,809.69 is: 249,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,049.68 : 447,188.45 = 180,809.69 : x
  2. Step 2: Convert to fraction form
    324,049.68/447,188.45 = 180,809.69/x
  3. Step 3: Cross multiply
    324,049.68x = 447,188.45 × 180,809.69
  4. Step 4: Simplify right side
    324,049.68x = 80,856,001,876.09
  5. Step 5: Solve for x
    x = 80,856,001,876.09/324,049.68
  6. Step 6: Final answer
    x = 249,517.30

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1.5x scale

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.