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Finding the Fourth Proportional to 338.67, 467.37 and 191.36

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Solution

The fourth proportional to 338.67, 467.37 and 191.36 is: 264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.67 : 467.37 = 191.36 : x
  2. Step 2: Convert to fraction form
    338.67/467.37 = 191.36/x
  3. Step 3: Cross multiply
    338.67x = 467.37 × 191.36
  4. Step 4: Simplify right side
    338.67x = 89,433.59
  5. Step 5: Solve for x
    x = 89,433.59/338.67
  6. Step 6: Final answer
    x = 264.07

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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.