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Finding the Fourth Proportional to 374,558.14, 516,545.52 and 245,449.73

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Solution

The fourth proportional to 374,558.14, 516,545.52 and 245,449.73 is: 338,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,558.14 : 516,545.52 = 245,449.73 : x
  2. Step 2: Convert to fraction form
    374,558.14/516,545.52 = 245,449.73/x
  3. Step 3: Cross multiply
    374,558.14x = 516,545.52 × 245,449.73
  4. Step 4: Simplify right side
    374,558.14x = 126,785,955,833.98
  5. Step 5: Solve for x
    x = 126,785,955,833.98/374,558.14
  6. Step 6: Final answer
    x = 338,494.73

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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.