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Finding the Fourth Proportional to 371.32, 512.26 and 216.04

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Solution

The fourth proportional to 371.32, 512.26 and 216.04 is: 298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.32 : 512.26 = 216.04 : x
  2. Step 2: Convert to fraction form
    371.32/512.26 = 216.04/x
  3. Step 3: Cross multiply
    371.32x = 512.26 × 216.04
  4. Step 4: Simplify right side
    371.32x = 110,668.65
  5. Step 5: Solve for x
    x = 110,668.65/371.32
  6. Step 6: Final answer
    x = 298.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.