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Finding the Fourth Proportional to 324,957.38, 448,432.79 and 179,759.38

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Solution

The fourth proportional to 324,957.38, 448,432.79 and 179,759.38 is: 248,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,957.38 : 448,432.79 = 179,759.38 : x
  2. Step 2: Convert to fraction form
    324,957.38/448,432.79 = 179,759.38/x
  3. Step 3: Cross multiply
    324,957.38x = 448,432.79 × 179,759.38
  4. Step 4: Simplify right side
    324,957.38x = 80,609,998,872.93
  5. Step 5: Solve for x
    x = 80,609,998,872.93/324,957.38
  6. Step 6: Final answer
    x = 248,063.30

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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.