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Finding the Fourth Proportional to 592.25, 817.17 and 343.55

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Solution

The fourth proportional to 592.25, 817.17 and 343.55 is: 474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.25 : 817.17 = 343.55 : x
  2. Step 2: Convert to fraction form
    592.25/817.17 = 343.55/x
  3. Step 3: Cross multiply
    592.25x = 817.17 × 343.55
  4. Step 4: Simplify right side
    592.25x = 280,734.67
  5. Step 5: Solve for x
    x = 280,734.67/592.25
  6. Step 6: Final answer
    x = 474.02

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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.