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Finding the Fourth Proportional to 264,617.56, 396,991.14 and 131,560.48

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Solution

The fourth proportional to 264,617.56, 396,991.14 and 131,560.48 is: 197,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,617.56 : 396,991.14 = 131,560.48 : x
  2. Step 2: Convert to fraction form
    264,617.56/396,991.14 = 131,560.48/x
  3. Step 3: Cross multiply
    264,617.56x = 396,991.14 × 131,560.48
  4. Step 4: Simplify right side
    264,617.56x = 52,228,344,934.15
  5. Step 5: Solve for x
    x = 52,228,344,934.15/264,617.56
  6. Step 6: Final answer
    x = 197,372.94

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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.