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Finding the Fourth Proportional to 733.42, 1,100.16 and 367.72

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Solution

The fourth proportional to 733.42, 1,100.16 and 367.72 is: 551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.42 : 1,100.16 = 367.72 : x
  2. Step 2: Convert to fraction form
    733.42/1,100.16 = 367.72/x
  3. Step 3: Cross multiply
    733.42x = 1,100.16 × 367.72
  4. Step 4: Simplify right side
    733.42x = 404,550.84
  5. Step 5: Solve for x
    x = 404,550.84/733.42
  6. Step 6: Final answer
    x = 551.60

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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.