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Finding the Fourth Proportional to 394,240.60, 591,036.90 and 169,773.40

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Solution

The fourth proportional to 394,240.60, 591,036.90 and 169,773.40 is: 254,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,240.60 : 591,036.90 = 169,773.40 : x
  2. Step 2: Convert to fraction form
    394,240.60/591,036.90 = 169,773.40/x
  3. Step 3: Cross multiply
    394,240.60x = 591,036.90 × 169,773.40
  4. Step 4: Simplify right side
    394,240.60x = 100,342,344,038.46
  5. Step 5: Solve for x
    x = 100,342,344,038.46/394,240.60
  6. Step 6: Final answer
    x = 254,520.57

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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.