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Finding the Fourth Proportional to 394,411.60, 591,293.40 and 169,944.40

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Solution

The fourth proportional to 394,411.60, 591,293.40 and 169,944.40 is: 254,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,411.60 : 591,293.40 = 169,944.40 : x
  2. Step 2: Convert to fraction form
    394,411.60/591,293.40 = 169,944.40/x
  3. Step 3: Cross multiply
    394,411.60x = 591,293.40 × 169,944.40
  4. Step 4: Simplify right side
    394,411.60x = 100,487,002,086.96
  5. Step 5: Solve for x
    x = 100,487,002,086.96/394,411.60
  6. Step 6: Final answer
    x = 254,776.99

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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.