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Finding the Fourth Proportional to 263.33, 391.54 and 252.39

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Solution

The fourth proportional to 263.33, 391.54 and 252.39 is: 375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.33 : 391.54 = 252.39 : x
  2. Step 2: Convert to fraction form
    263.33/391.54 = 252.39/x
  3. Step 3: Cross multiply
    263.33x = 391.54 × 252.39
  4. Step 4: Simplify right side
    263.33x = 98,820.78
  5. Step 5: Solve for x
    x = 98,820.78/263.33
  6. Step 6: Final answer
    x = 375.27

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