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Finding the Fourth Proportional to 262.75, 362.47 and 169.45

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Solution

The fourth proportional to 262.75, 362.47 and 169.45 is: 233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.75 : 362.47 = 169.45 : x
  2. Step 2: Convert to fraction form
    262.75/362.47 = 169.45/x
  3. Step 3: Cross multiply
    262.75x = 362.47 × 169.45
  4. Step 4: Simplify right side
    262.75x = 61,420.41
  5. Step 5: Solve for x
    x = 61,420.41/262.75
  6. Step 6: Final answer
    x = 233.76

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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.