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Finding the Fourth Proportional to 247.98, 371.61 and 182.46

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Solution

The fourth proportional to 247.98, 371.61 and 182.46 is: 273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.98 : 371.61 = 182.46 : x
  2. Step 2: Convert to fraction form
    247.98/371.61 = 182.46/x
  3. Step 3: Cross multiply
    247.98x = 371.61 × 182.46
  4. Step 4: Simplify right side
    247.98x = 67,803.96
  5. Step 5: Solve for x
    x = 67,803.96/247.98
  6. Step 6: Final answer
    x = 273.43

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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.