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Finding the Fourth Proportional to 263.54, 395.71 and 234.92

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Solution

The fourth proportional to 263.54, 395.71 and 234.92 is: 352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.54 : 395.71 = 234.92 : x
  2. Step 2: Convert to fraction form
    263.54/395.71 = 234.92/x
  3. Step 3: Cross multiply
    263.54x = 395.71 × 234.92
  4. Step 4: Simplify right side
    263.54x = 92,957.63
  5. Step 5: Solve for x
    x = 92,957.63/263.54
  6. Step 6: Final answer
    x = 352.73

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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.