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Finding the Fourth Proportional to 733.45, 1,100.15 and 367.97

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Solution

The fourth proportional to 733.45, 1,100.15 and 367.97 is: 551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.45 : 1,100.15 = 367.97 : x
  2. Step 2: Convert to fraction form
    733.45/1,100.15 = 367.97/x
  3. Step 3: Cross multiply
    733.45x = 1,100.15 × 367.97
  4. Step 4: Simplify right side
    733.45x = 404,822.20
  5. Step 5: Solve for x
    x = 404,822.20/733.45
  6. Step 6: Final answer
    x = 551.94

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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.