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Finding the Fourth Proportional to 445,753.28, 668,796.36 and 179,589.30

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Solution

The fourth proportional to 445,753.28, 668,796.36 and 179,589.30 is: 269,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,753.28 : 668,796.36 = 179,589.30 : x
  2. Step 2: Convert to fraction form
    445,753.28/668,796.36 = 179,589.30/x
  3. Step 3: Cross multiply
    445,753.28x = 668,796.36 × 179,589.30
  4. Step 4: Simplify right side
    445,753.28x = 120,108,670,134.95
  5. Step 5: Solve for x
    x = 120,108,670,134.95/445,753.28
  6. Step 6: Final answer
    x = 269,451.01

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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.