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Finding the Fourth Proportional to 252.64, 348.51 and 174.88

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Solution

The fourth proportional to 252.64, 348.51 and 174.88 is: 241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.64 : 348.51 = 174.88 : x
  2. Step 2: Convert to fraction form
    252.64/348.51 = 174.88/x
  3. Step 3: Cross multiply
    252.64x = 348.51 × 174.88
  4. Step 4: Simplify right side
    252.64x = 60,947.43
  5. Step 5: Solve for x
    x = 60,947.43/252.64
  6. Step 6: Final answer
    x = 241.24

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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.