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Finding the Fourth Proportional to 263.99, 396.04 and 132.23

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Solution

The fourth proportional to 263.99, 396.04 and 132.23 is: 198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.99 : 396.04 = 132.23 : x
  2. Step 2: Convert to fraction form
    263.99/396.04 = 132.23/x
  3. Step 3: Cross multiply
    263.99x = 396.04 × 132.23
  4. Step 4: Simplify right side
    263.99x = 52,366.68
  5. Step 5: Solve for x
    x = 52,366.68/263.99
  6. Step 6: Final answer
    x = 198.36

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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.