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Finding the Fourth Proportional to 634.86, 952.20 and 201.96

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Solution

The fourth proportional to 634.86, 952.20 and 201.96 is: 302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.86 : 952.20 = 201.96 : x
  2. Step 2: Convert to fraction form
    634.86/952.20 = 201.96/x
  3. Step 3: Cross multiply
    634.86x = 952.20 × 201.96
  4. Step 4: Simplify right side
    634.86x = 192,306.31
  5. Step 5: Solve for x
    x = 192,306.31/634.86
  6. Step 6: Final answer
    x = 302.91

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