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Finding the Fourth Proportional to 339.27, 468.23 and 191.96

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Solution

The fourth proportional to 339.27, 468.23 and 191.96 is: 264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.27 : 468.23 = 191.96 : x
  2. Step 2: Convert to fraction form
    339.27/468.23 = 191.96/x
  3. Step 3: Cross multiply
    339.27x = 468.23 × 191.96
  4. Step 4: Simplify right side
    339.27x = 89,881.43
  5. Step 5: Solve for x
    x = 89,881.43/339.27
  6. Step 6: Final answer
    x = 264.93

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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.