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Finding the Fourth Proportional to 431,545.44, 595,534.10 and 235,310.48

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Solution

The fourth proportional to 431,545.44, 595,534.10 and 235,310.48 is: 324,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,545.44 : 595,534.10 = 235,310.48 : x
  2. Step 2: Convert to fraction form
    431,545.44/595,534.10 = 235,310.48/x
  3. Step 3: Cross multiply
    431,545.44x = 595,534.10 × 235,310.48
  4. Step 4: Simplify right side
    431,545.44x = 140,135,410,773.15
  5. Step 5: Solve for x
    x = 140,135,410,773.15/431,545.44
  6. Step 6: Final answer
    x = 324,729.21

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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.