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Finding the Fourth Proportional to 244.20, 322.92 and 244.20

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Solution

The fourth proportional to 244.20, 322.92 and 244.20 is: 322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.20 : 322.92 = 244.20 : x
  2. Step 2: Convert to fraction form
    244.20/322.92 = 244.20/x
  3. Step 3: Cross multiply
    244.20x = 322.92 × 244.20
  4. Step 4: Simplify right side
    244.20x = 78,857.06
  5. Step 5: Solve for x
    x = 78,857.06/244.20
  6. Step 6: Final answer
    x = 322.92

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.