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Finding the Fourth Proportional to 468.38, 701.96 and 194.11

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Solution

The fourth proportional to 468.38, 701.96 and 194.11 is: 290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.38 : 701.96 = 194.11 : x
  2. Step 2: Convert to fraction form
    468.38/701.96 = 194.11/x
  3. Step 3: Cross multiply
    468.38x = 701.96 × 194.11
  4. Step 4: Simplify right side
    468.38x = 136,257.46
  5. Step 5: Solve for x
    x = 136,257.46/468.38
  6. Step 6: Final answer
    x = 290.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.