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Finding the Fourth Proportional to 592.87, 818.63 and 482.17

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Solution

The fourth proportional to 592.87, 818.63 and 482.17 is: 665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.87 : 818.63 = 482.17 : x
  2. Step 2: Convert to fraction form
    592.87/818.63 = 482.17/x
  3. Step 3: Cross multiply
    592.87x = 818.63 × 482.17
  4. Step 4: Simplify right side
    592.87x = 394,718.83
  5. Step 5: Solve for x
    x = 394,718.83/592.87
  6. Step 6: Final answer
    x = 665.78

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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.