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Finding the Fourth Proportional to 592.72, 818.16 and 359.92

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Solution

The fourth proportional to 592.72, 818.16 and 359.92 is: 496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.72 : 818.16 = 359.92 : x
  2. Step 2: Convert to fraction form
    592.72/818.16 = 359.92/x
  3. Step 3: Cross multiply
    592.72x = 818.16 × 359.92
  4. Step 4: Simplify right side
    592.72x = 294,472.15
  5. Step 5: Solve for x
    x = 294,472.15/592.72
  6. Step 6: Final answer
    x = 496.81

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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.