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Finding the Fourth Proportional to 367.63, 552.05 and 343.33

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Solution

The fourth proportional to 367.63, 552.05 and 343.33 is: 515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.63 : 552.05 = 343.33 : x
  2. Step 2: Convert to fraction form
    367.63/552.05 = 343.33/x
  3. Step 3: Cross multiply
    367.63x = 552.05 × 343.33
  4. Step 4: Simplify right side
    367.63x = 189,535.33
  5. Step 5: Solve for x
    x = 189,535.33/367.63
  6. Step 6: Final answer
    x = 515.56

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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.