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Finding the Fourth Proportional to 394,447.60, 591,671.40 and 244,200.70

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Solution

The fourth proportional to 394,447.60, 591,671.40 and 244,200.70 is: 366,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,447.60 : 591,671.40 = 244,200.70 : x
  2. Step 2: Convert to fraction form
    394,447.60/591,671.40 = 244,200.70/x
  3. Step 3: Cross multiply
    394,447.60x = 591,671.40 × 244,200.70
  4. Step 4: Simplify right side
    394,447.60x = 144,486,570,049.98
  5. Step 5: Solve for x
    x = 144,486,570,049.98/394,447.60
  6. Step 6: Final answer
    x = 366,301.05

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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.