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Finding the Fourth Proportional to 589.96, 814.12 and 327.96

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Solution

The fourth proportional to 589.96, 814.12 and 327.96 is: 452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.96 : 814.12 = 327.96 : x
  2. Step 2: Convert to fraction form
    589.96/814.12 = 327.96/x
  3. Step 3: Cross multiply
    589.96x = 814.12 × 327.96
  4. Step 4: Simplify right side
    589.96x = 266,998.80
  5. Step 5: Solve for x
    x = 266,998.80/589.96
  6. Step 6: Final answer
    x = 452.57

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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.