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Finding the Fourth Proportional to 492.84, 738.84 and 232.70

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Solution

The fourth proportional to 492.84, 738.84 and 232.70 is: 348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.84 : 738.84 = 232.70 : x
  2. Step 2: Convert to fraction form
    492.84/738.84 = 232.70/x
  3. Step 3: Cross multiply
    492.84x = 738.84 × 232.70
  4. Step 4: Simplify right side
    492.84x = 171,928.07
  5. Step 5: Solve for x
    x = 171,928.07/492.84
  6. Step 6: Final answer
    x = 348.85

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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.