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Finding the Fourth Proportional to 592.92, 818.30 and 372.09

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Solution

The fourth proportional to 592.92, 818.30 and 372.09 is: 513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.92 : 818.30 = 372.09 : x
  2. Step 2: Convert to fraction form
    592.92/818.30 = 372.09/x
  3. Step 3: Cross multiply
    592.92x = 818.30 × 372.09
  4. Step 4: Simplify right side
    592.92x = 304,485.25
  5. Step 5: Solve for x
    x = 304,485.25/592.92
  6. Step 6: Final answer
    x = 513.54

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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.