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Finding the Fourth Proportional to 592.14, 818.91 and 518.33

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Solution

The fourth proportional to 592.14, 818.91 and 518.33 is: 716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.14 : 818.91 = 518.33 : x
  2. Step 2: Convert to fraction form
    592.14/818.91 = 518.33/x
  3. Step 3: Cross multiply
    592.14x = 818.91 × 518.33
  4. Step 4: Simplify right side
    592.14x = 424,467.67
  5. Step 5: Solve for x
    x = 424,467.67/592.14
  6. Step 6: Final answer
    x = 716.83

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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.