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Finding the Fourth Proportional to 362.62, 544.02 and 216.34

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Solution

The fourth proportional to 362.62, 544.02 and 216.34 is: 324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.62 : 544.02 = 216.34 : x
  2. Step 2: Convert to fraction form
    362.62/544.02 = 216.34/x
  3. Step 3: Cross multiply
    362.62x = 544.02 × 216.34
  4. Step 4: Simplify right side
    362.62x = 117,693.29
  5. Step 5: Solve for x
    x = 117,693.29/362.62
  6. Step 6: Final answer
    x = 324.56

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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.