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Finding the Fourth Proportional to 297.54, 410.52 and 171.48

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Solution

The fourth proportional to 297.54, 410.52 and 171.48 is: 236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.54 : 410.52 = 171.48 : x
  2. Step 2: Convert to fraction form
    297.54/410.52 = 171.48/x
  3. Step 3: Cross multiply
    297.54x = 410.52 × 171.48
  4. Step 4: Simplify right side
    297.54x = 70,395.97
  5. Step 5: Solve for x
    x = 70,395.97/297.54
  6. Step 6: Final answer
    x = 236.59

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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.