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Finding the Fourth Proportional to 696.62, 1,044.26 and 367.48

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Solution

The fourth proportional to 696.62, 1,044.26 and 367.48 is: 550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.62 : 1,044.26 = 367.48 : x
  2. Step 2: Convert to fraction form
    696.62/1,044.26 = 367.48/x
  3. Step 3: Cross multiply
    696.62x = 1,044.26 × 367.48
  4. Step 4: Simplify right side
    696.62x = 383,744.66
  5. Step 5: Solve for x
    x = 383,744.66/696.62
  6. Step 6: Final answer
    x = 550.87

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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.