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Finding the Fourth Proportional to 667.52, 1,001 and 234.48

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Solution

The fourth proportional to 667.52, 1,001 and 234.48 is: 351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.52 : 1,001 = 234.48 : x
  2. Step 2: Convert to fraction form
    667.52/1,001 = 234.48/x
  3. Step 3: Cross multiply
    667.52x = 1,001 × 234.48
  4. Step 4: Simplify right side
    667.52x = 234,714.48
  5. Step 5: Solve for x
    x = 234,714.48/667.52
  6. Step 6: Final answer
    x = 351.62

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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.