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Finding the Fourth Proportional to 232.74, 321.59 and 191.26

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Solution

The fourth proportional to 232.74, 321.59 and 191.26 is: 264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.74 : 321.59 = 191.26 : x
  2. Step 2: Convert to fraction form
    232.74/321.59 = 191.26/x
  3. Step 3: Cross multiply
    232.74x = 321.59 × 191.26
  4. Step 4: Simplify right side
    232.74x = 61,507.11
  5. Step 5: Solve for x
    x = 61,507.11/232.74
  6. Step 6: Final answer
    x = 264.27

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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.