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Finding the Fourth Proportional to 592.43, 817.55 and 326.87

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Solution

The fourth proportional to 592.43, 817.55 and 326.87 is: 451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.43 : 817.55 = 326.87 : x
  2. Step 2: Convert to fraction form
    592.43/817.55 = 326.87/x
  3. Step 3: Cross multiply
    592.43x = 817.55 × 326.87
  4. Step 4: Simplify right side
    592.43x = 267,233.09
  5. Step 5: Solve for x
    x = 267,233.09/592.43
  6. Step 6: Final answer
    x = 451.08

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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.