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Finding the Fourth Proportional to 330,798.38, 496,280.73 and 106,178.90

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Solution

The fourth proportional to 330,798.38, 496,280.73 and 106,178.90 is: 159,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,798.38 : 496,280.73 = 106,178.90 : x
  2. Step 2: Convert to fraction form
    330,798.38/496,280.73 = 106,178.90/x
  3. Step 3: Cross multiply
    330,798.38x = 496,280.73 × 106,178.90
  4. Step 4: Simplify right side
    330,798.38x = 52,694,542,002.60
  5. Step 5: Solve for x
    x = 52,694,542,002.60/330,798.38
  6. Step 6: Final answer
    x = 159,295.04

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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.