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Finding the Fourth Proportional to 592.20, 817.22 and 343.52

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Solution

The fourth proportional to 592.20, 817.22 and 343.52 is: 474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.20 : 817.22 = 343.52 : x
  2. Step 2: Convert to fraction form
    592.20/817.22 = 343.52/x
  3. Step 3: Cross multiply
    592.20x = 817.22 × 343.52
  4. Step 4: Simplify right side
    592.20x = 280,727.33
  5. Step 5: Solve for x
    x = 280,727.33/592.20
  6. Step 6: Final answer
    x = 474.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.