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Finding the Fourth Proportional to 240,474, 331,856.52 and 131,576.24

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Solution

The fourth proportional to 240,474, 331,856.52 and 131,576.24 is: 181,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,474 : 331,856.52 = 131,576.24 : x
  2. Step 2: Convert to fraction form
    240,474/331,856.52 = 131,576.24/x
  3. Step 3: Cross multiply
    240,474x = 331,856.52 × 131,576.24
  4. Step 4: Simplify right side
    240,474x = 43,664,433,121.08
  5. Step 5: Solve for x
    x = 43,664,433,121.08/240,474
  6. Step 6: Final answer
    x = 181,576.52

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1.5x scale

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.