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Finding the Fourth Proportional to 416,375.28, 574,593.12 and 225,384.48

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Solution

The fourth proportional to 416,375.28, 574,593.12 and 225,384.48 is: 311,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,375.28 : 574,593.12 = 225,384.48 : x
  2. Step 2: Convert to fraction form
    416,375.28/574,593.12 = 225,384.48/x
  3. Step 3: Cross multiply
    416,375.28x = 574,593.12 × 225,384.48
  4. Step 4: Simplify right side
    416,375.28x = 129,504,371,562.78
  5. Step 5: Solve for x
    x = 129,504,371,562.78/416,375.28
  6. Step 6: Final answer
    x = 311,028.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.