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Finding the Fourth Proportional to 372,229.56, 512,380.26 and 324,399.96

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Solution

The fourth proportional to 372,229.56, 512,380.26 and 324,399.96 is: 446,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,229.56 : 512,380.26 = 324,399.96 : x
  2. Step 2: Convert to fraction form
    372,229.56/512,380.26 = 324,399.96/x
  3. Step 3: Cross multiply
    372,229.56x = 512,380.26 × 324,399.96
  4. Step 4: Simplify right side
    372,229.56x = 166,216,135,848.79
  5. Step 5: Solve for x
    x = 166,216,135,848.79/372,229.56
  6. Step 6: Final answer
    x = 446,542.01

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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.