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Finding the Fourth Proportional to 223.73, 335.28 and 174.76

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Solution

The fourth proportional to 223.73, 335.28 and 174.76 is: 261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.73 : 335.28 = 174.76 : x
  2. Step 2: Convert to fraction form
    223.73/335.28 = 174.76/x
  3. Step 3: Cross multiply
    223.73x = 335.28 × 174.76
  4. Step 4: Simplify right side
    223.73x = 58,592.69
  5. Step 5: Solve for x
    x = 58,592.69/223.73
  6. Step 6: Final answer
    x = 261.89

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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.