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Finding the Fourth Proportional to 339.33, 468.26 and 191.94

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Solution

The fourth proportional to 339.33, 468.26 and 191.94 is: 264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.33 : 468.26 = 191.94 : x
  2. Step 2: Convert to fraction form
    339.33/468.26 = 191.94/x
  3. Step 3: Cross multiply
    339.33x = 468.26 × 191.94
  4. Step 4: Simplify right side
    339.33x = 89,876.86
  5. Step 5: Solve for x
    x = 89,876.86/339.33
  6. Step 6: Final answer
    x = 264.87

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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.