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Finding the Fourth Proportional to 394,260.60, 591,066.90 and 169,793.40

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Solution

The fourth proportional to 394,260.60, 591,066.90 and 169,793.40 is: 254,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,260.60 : 591,066.90 = 169,793.40 : x
  2. Step 2: Convert to fraction form
    394,260.60/591,066.90 = 169,793.40/x
  3. Step 3: Cross multiply
    394,260.60x = 591,066.90 × 169,793.40
  4. Step 4: Simplify right side
    394,260.60x = 100,359,258,578.46
  5. Step 5: Solve for x
    x = 100,359,258,578.46/394,260.60
  6. Step 6: Final answer
    x = 254,550.57

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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.