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Finding the Fourth Proportional to 492.85, 738.91 and 232.70

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Solution

The fourth proportional to 492.85, 738.91 and 232.70 is: 348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.85 : 738.91 = 232.70 : x
  2. Step 2: Convert to fraction form
    492.85/738.91 = 232.70/x
  3. Step 3: Cross multiply
    492.85x = 738.91 × 232.70
  4. Step 4: Simplify right side
    492.85x = 171,945.04
  5. Step 5: Solve for x
    x = 171,945.04/492.85
  6. Step 6: Final answer
    x = 348.88

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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.