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Finding the Fourth Proportional to 263.86, 396.33 and 182.86

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Solution

The fourth proportional to 263.86, 396.33 and 182.86 is: 274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.86 : 396.33 = 182.86 : x
  2. Step 2: Convert to fraction form
    263.86/396.33 = 182.86/x
  3. Step 3: Cross multiply
    263.86x = 396.33 × 182.86
  4. Step 4: Simplify right side
    263.86x = 72,472.90
  5. Step 5: Solve for x
    x = 72,472.90/263.86
  6. Step 6: Final answer
    x = 274.66

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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.