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Finding the Fourth Proportional to 592.26, 817.28 and 343.56

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Solution

The fourth proportional to 592.26, 817.28 and 343.56 is: 474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.26 : 817.28 = 343.56 : x
  2. Step 2: Convert to fraction form
    592.26/817.28 = 343.56/x
  3. Step 3: Cross multiply
    592.26x = 817.28 × 343.56
  4. Step 4: Simplify right side
    592.26x = 280,783.00
  5. Step 5: Solve for x
    x = 280,783.00/592.26
  6. Step 6: Final answer
    x = 474.09

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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.