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Finding the Fourth Proportional to 493,609.97, 740,414.96 and 119,632.97

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Solution

The fourth proportional to 493,609.97, 740,414.96 and 119,632.97 is: 179,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,609.97 : 740,414.96 = 119,632.97 : x
  2. Step 2: Convert to fraction form
    493,609.97/740,414.96 = 119,632.97/x
  3. Step 3: Cross multiply
    493,609.97x = 740,414.96 × 119,632.97
  4. Step 4: Simplify right side
    493,609.97x = 88,578,042,847.35
  5. Step 5: Solve for x
    x = 88,578,042,847.35/493,609.97
  6. Step 6: Final answer
    x = 179,449.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.