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Finding the Fourth Proportional to 394,479.60, 591,719.40 and 244,232.70

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Solution

The fourth proportional to 394,479.60, 591,719.40 and 244,232.70 is: 366,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,479.60 : 591,719.40 = 244,232.70 : x
  2. Step 2: Convert to fraction form
    394,479.60/591,719.40 = 244,232.70/x
  3. Step 3: Cross multiply
    394,479.60x = 591,719.40 × 244,232.70
  4. Step 4: Simplify right side
    394,479.60x = 144,517,226,704.38
  5. Step 5: Solve for x
    x = 144,517,226,704.38/394,479.60
  6. Step 6: Final answer
    x = 366,349.05

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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.