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Finding the Fourth Proportional to 495.36, 743.13 and 170.73

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Solution

The fourth proportional to 495.36, 743.13 and 170.73 is: 256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.36 : 743.13 = 170.73 : x
  2. Step 2: Convert to fraction form
    495.36/743.13 = 170.73/x
  3. Step 3: Cross multiply
    495.36x = 743.13 × 170.73
  4. Step 4: Simplify right side
    495.36x = 126,874.58
  5. Step 5: Solve for x
    x = 126,874.58/495.36
  6. Step 6: Final answer
    x = 256.13

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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.