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Finding the Fourth Proportional to 596.33, 822.49 and 438.92

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Solution

The fourth proportional to 596.33, 822.49 and 438.92 is: 605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.33 : 822.49 = 438.92 : x
  2. Step 2: Convert to fraction form
    596.33/822.49 = 438.92/x
  3. Step 3: Cross multiply
    596.33x = 822.49 × 438.92
  4. Step 4: Simplify right side
    596.33x = 361,007.31
  5. Step 5: Solve for x
    x = 361,007.31/596.33
  6. Step 6: Final answer
    x = 605.38

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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.