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Finding the Fourth Proportional to 367.97, 552.14 and 214.04

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Solution

The fourth proportional to 367.97, 552.14 and 214.04 is: 321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.97 : 552.14 = 214.04 : x
  2. Step 2: Convert to fraction form
    367.97/552.14 = 214.04/x
  3. Step 3: Cross multiply
    367.97x = 552.14 × 214.04
  4. Step 4: Simplify right side
    367.97x = 118,177.28
  5. Step 5: Solve for x
    x = 118,177.28/367.97
  6. Step 6: Final answer
    x = 321.16

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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.