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Finding the Fourth Proportional to 324,780.84, 448,198.11 and 181,540.76

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Solution

The fourth proportional to 324,780.84, 448,198.11 and 181,540.76 is: 250,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,780.84 : 448,198.11 = 181,540.76 : x
  2. Step 2: Convert to fraction form
    324,780.84/448,198.11 = 181,540.76/x
  3. Step 3: Cross multiply
    324,780.84x = 448,198.11 × 181,540.76
  4. Step 4: Simplify right side
    324,780.84x = 81,366,223,278.97
  5. Step 5: Solve for x
    x = 81,366,223,278.97/324,780.84
  6. Step 6: Final answer
    x = 250,526.55

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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.