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Finding the Fourth Proportional to 645.46, 968.17 and 234.44

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Solution

The fourth proportional to 645.46, 968.17 and 234.44 is: 351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    645.46 : 968.17 = 234.44 : x
  2. Step 2: Convert to fraction form
    645.46/968.17 = 234.44/x
  3. Step 3: Cross multiply
    645.46x = 968.17 × 234.44
  4. Step 4: Simplify right side
    645.46x = 226,977.77
  5. Step 5: Solve for x
    x = 226,977.77/645.46
  6. Step 6: Final answer
    x = 351.65

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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.