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Finding the Fourth Proportional to 545,337.16, 818,116.32 and 229,793.92

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Solution

The fourth proportional to 545,337.16, 818,116.32 and 229,793.92 is: 344,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,337.16 : 818,116.32 = 229,793.92 : x
  2. Step 2: Convert to fraction form
    545,337.16/818,116.32 = 229,793.92/x
  3. Step 3: Cross multiply
    545,337.16x = 818,116.32 × 229,793.92
  4. Step 4: Simplify right side
    545,337.16x = 187,998,156,188.77
  5. Step 5: Solve for x
    x = 187,998,156,188.77/545,337.16
  6. Step 6: Final answer
    x = 344,737.48

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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.