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Finding the Fourth Proportional to 324,677.56, 448,046.76 and 181,438.78

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Solution

The fourth proportional to 324,677.56, 448,046.76 and 181,438.78 is: 250,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,677.56 : 448,046.76 = 181,438.78 : x
  2. Step 2: Convert to fraction form
    324,677.56/448,046.76 = 181,438.78/x
  3. Step 3: Cross multiply
    324,677.56x = 448,046.76 × 181,438.78
  4. Step 4: Simplify right side
    324,677.56x = 81,293,057,517.35
  5. Step 5: Solve for x
    x = 81,293,057,517.35/324,677.56
  6. Step 6: Final answer
    x = 250,380.89

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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.