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Finding the Fourth Proportional to 394,793.70, 592,190.55 and 368,355.30

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Solution

The fourth proportional to 394,793.70, 592,190.55 and 368,355.30 is: 552,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,793.70 : 592,190.55 = 368,355.30 : x
  2. Step 2: Convert to fraction form
    394,793.70/592,190.55 = 368,355.30/x
  3. Step 3: Cross multiply
    394,793.70x = 592,190.55 × 368,355.30
  4. Step 4: Simplify right side
    394,793.70x = 218,136,527,702.42
  5. Step 5: Solve for x
    x = 218,136,527,702.42/394,793.70
  6. Step 6: Final answer
    x = 552,532.95

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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.