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Finding the Fourth Proportional to 592.97, 818.05 and 356.92

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Solution

The fourth proportional to 592.97, 818.05 and 356.92 is: 492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.97 : 818.05 = 356.92 : x
  2. Step 2: Convert to fraction form
    592.97/818.05 = 356.92/x
  3. Step 3: Cross multiply
    592.97x = 818.05 × 356.92
  4. Step 4: Simplify right side
    592.97x = 291,978.54
  5. Step 5: Solve for x
    x = 291,978.54/592.97
  6. Step 6: Final answer
    x = 492.40

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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.