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Finding the Fourth Proportional to 550,227.28, 825,321.44 and 150,861.64

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Solution

The fourth proportional to 550,227.28, 825,321.44 and 150,861.64 is: 226,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,227.28 : 825,321.44 = 150,861.64 : x
  2. Step 2: Convert to fraction form
    550,227.28/825,321.44 = 150,861.64/x
  3. Step 3: Cross multiply
    550,227.28x = 825,321.44 × 150,861.64
  4. Step 4: Simplify right side
    550,227.28x = 124,509,345,965.56
  5. Step 5: Solve for x
    x = 124,509,345,965.56/550,227.28
  6. Step 6: Final answer
    x = 226,287.12

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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.