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Finding the Fourth Proportional to 592.62, 818.43 and 493.41

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Solution

The fourth proportional to 592.62, 818.43 and 493.41 is: 681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.62 : 818.43 = 493.41 : x
  2. Step 2: Convert to fraction form
    592.62/818.43 = 493.41/x
  3. Step 3: Cross multiply
    592.62x = 818.43 × 493.41
  4. Step 4: Simplify right side
    592.62x = 403,821.55
  5. Step 5: Solve for x
    x = 403,821.55/592.62
  6. Step 6: Final answer
    x = 681.42

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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.