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Finding the Fourth Proportional to 244.26, 335.28 and 233.70

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Solution

The fourth proportional to 244.26, 335.28 and 233.70 is: 320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.26 : 335.28 = 233.70 : x
  2. Step 2: Convert to fraction form
    244.26/335.28 = 233.70/x
  3. Step 3: Cross multiply
    244.26x = 335.28 × 233.70
  4. Step 4: Simplify right side
    244.26x = 78,354.94
  5. Step 5: Solve for x
    x = 78,354.94/244.26
  6. Step 6: Final answer
    x = 320.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.