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Finding the Fourth Proportional to 592.11, 817.82 and 482.01

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Solution

The fourth proportional to 592.11, 817.82 and 482.01 is: 665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.11 : 817.82 = 482.01 : x
  2. Step 2: Convert to fraction form
    592.11/817.82 = 482.01/x
  3. Step 3: Cross multiply
    592.11x = 817.82 × 482.01
  4. Step 4: Simplify right side
    592.11x = 394,197.42
  5. Step 5: Solve for x
    x = 394,197.42/592.11
  6. Step 6: Final answer
    x = 665.75

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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.