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Finding the Fourth Proportional to 324,003.92, 447,123.96 and 180,764.12

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Solution

The fourth proportional to 324,003.92, 447,123.96 and 180,764.12 is: 249,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,003.92 : 447,123.96 = 180,764.12 : x
  2. Step 2: Convert to fraction form
    324,003.92/447,123.96 = 180,764.12/x
  3. Step 3: Cross multiply
    324,003.92x = 447,123.96 × 180,764.12
  4. Step 4: Simplify right side
    324,003.92x = 80,823,969,160.32
  5. Step 5: Solve for x
    x = 80,823,969,160.32/324,003.92
  6. Step 6: Final answer
    x = 249,453.68

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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.