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Finding the Fourth Proportional to 262.76, 362.91 and 169.49

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Solution

The fourth proportional to 262.76, 362.91 and 169.49 is: 234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.76 : 362.91 = 169.49 : x
  2. Step 2: Convert to fraction form
    262.76/362.91 = 169.49/x
  3. Step 3: Cross multiply
    262.76x = 362.91 × 169.49
  4. Step 4: Simplify right side
    262.76x = 61,509.62
  5. Step 5: Solve for x
    x = 61,509.62/262.76
  6. Step 6: Final answer
    x = 234.09

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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.