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Finding the Fourth Proportional to 236.24, 326.04 and 196.83

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Solution

The fourth proportional to 236.24, 326.04 and 196.83 is: 271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.24 : 326.04 = 196.83 : x
  2. Step 2: Convert to fraction form
    236.24/326.04 = 196.83/x
  3. Step 3: Cross multiply
    236.24x = 326.04 × 196.83
  4. Step 4: Simplify right side
    236.24x = 64,174.45
  5. Step 5: Solve for x
    x = 64,174.45/236.24
  6. Step 6: Final answer
    x = 271.66

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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.