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Finding the Fourth Proportional to 247.44, 341.28 and 176.52

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Solution

The fourth proportional to 247.44, 341.28 and 176.52 is: 243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.44 : 341.28 = 176.52 : x
  2. Step 2: Convert to fraction form
    247.44/341.28 = 176.52/x
  3. Step 3: Cross multiply
    247.44x = 341.28 × 176.52
  4. Step 4: Simplify right side
    247.44x = 60,242.75
  5. Step 5: Solve for x
    x = 60,242.75/247.44
  6. Step 6: Final answer
    x = 243.46

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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.