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Finding the Fourth Proportional to 495.46, 743.87 and 252.15

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Solution

The fourth proportional to 495.46, 743.87 and 252.15 is: 378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.46 : 743.87 = 252.15 : x
  2. Step 2: Convert to fraction form
    495.46/743.87 = 252.15/x
  3. Step 3: Cross multiply
    495.46x = 743.87 × 252.15
  4. Step 4: Simplify right side
    495.46x = 187,569.31
  5. Step 5: Solve for x
    x = 187,569.31/495.46
  6. Step 6: Final answer
    x = 378.58

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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.