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Finding the Fourth Proportional to 297.59, 410.60 and 171.53

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Solution

The fourth proportional to 297.59, 410.60 and 171.53 is: 236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.59 : 410.60 = 171.53 : x
  2. Step 2: Convert to fraction form
    297.59/410.60 = 171.53/x
  3. Step 3: Cross multiply
    297.59x = 410.60 × 171.53
  4. Step 4: Simplify right side
    297.59x = 70,432.44
  5. Step 5: Solve for x
    x = 70,432.44/297.59
  6. Step 6: Final answer
    x = 236.68

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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.