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Finding the Fourth Proportional to 282.12, 422.22 and 244.08

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Solution

The fourth proportional to 282.12, 422.22 and 244.08 is: 365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.12 : 422.22 = 244.08 : x
  2. Step 2: Convert to fraction form
    282.12/422.22 = 244.08/x
  3. Step 3: Cross multiply
    282.12x = 422.22 × 244.08
  4. Step 4: Simplify right side
    282.12x = 103,055.46
  5. Step 5: Solve for x
    x = 103,055.46/282.12
  6. Step 6: Final answer
    x = 365.29

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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.