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Finding the Fourth Proportional to 263.54, 393.37 and 244.97

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Solution

The fourth proportional to 263.54, 393.37 and 244.97 is: 365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.54 : 393.37 = 244.97 : x
  2. Step 2: Convert to fraction form
    263.54/393.37 = 244.97/x
  3. Step 3: Cross multiply
    263.54x = 393.37 × 244.97
  4. Step 4: Simplify right side
    263.54x = 96,361.27
  5. Step 5: Solve for x
    x = 96,361.27/263.54
  6. Step 6: Final answer
    x = 365.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.