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Finding the Fourth Proportional to 223.48, 334.41 and 174.88

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Solution

The fourth proportional to 223.48, 334.41 and 174.88 is: 261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.48 : 334.41 = 174.88 : x
  2. Step 2: Convert to fraction form
    223.48/334.41 = 174.88/x
  3. Step 3: Cross multiply
    223.48x = 334.41 × 174.88
  4. Step 4: Simplify right side
    223.48x = 58,481.62
  5. Step 5: Solve for x
    x = 58,481.62/223.48
  6. Step 6: Final answer
    x = 261.69

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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.