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Finding the Fourth Proportional to 578,793.41, 868,222.92 and 179,490.95

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Solution

The fourth proportional to 578,793.41, 868,222.92 and 179,490.95 is: 269,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,793.41 : 868,222.92 = 179,490.95 : x
  2. Step 2: Convert to fraction form
    578,793.41/868,222.92 = 179,490.95/x
  3. Step 3: Cross multiply
    578,793.41x = 868,222.92 × 179,490.95
  4. Step 4: Simplify right side
    578,793.41x = 155,838,156,722.57
  5. Step 5: Solve for x
    x = 155,838,156,722.57/578,793.41
  6. Step 6: Final answer
    x = 269,246.60

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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.