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Finding the Fourth Proportional to 592.23, 817.29 and 343.54

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Solution

The fourth proportional to 592.23, 817.29 and 343.54 is: 474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.23 : 817.29 = 343.54 : x
  2. Step 2: Convert to fraction form
    592.23/817.29 = 343.54/x
  3. Step 3: Cross multiply
    592.23x = 817.29 × 343.54
  4. Step 4: Simplify right side
    592.23x = 280,771.81
  5. Step 5: Solve for x
    x = 280,771.81/592.23
  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.