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Finding the Fourth Proportional to 263.92, 364.30 and 170.82

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Solution

The fourth proportional to 263.92, 364.30 and 170.82 is: 235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.92 : 364.30 = 170.82 : x
  2. Step 2: Convert to fraction form
    263.92/364.30 = 170.82/x
  3. Step 3: Cross multiply
    263.92x = 364.30 × 170.82
  4. Step 4: Simplify right side
    263.92x = 62,229.73
  5. Step 5: Solve for x
    x = 62,229.73/263.92
  6. Step 6: Final answer
    x = 235.79

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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.