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Finding the Fourth Proportional to 589.38, 883.24 and 443.04

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Solution

The fourth proportional to 589.38, 883.24 and 443.04 is: 663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.38 : 883.24 = 443.04 : x
  2. Step 2: Convert to fraction form
    589.38/883.24 = 443.04/x
  3. Step 3: Cross multiply
    589.38x = 883.24 × 443.04
  4. Step 4: Simplify right side
    589.38x = 391,306.23
  5. Step 5: Solve for x
    x = 391,306.23/589.38
  6. Step 6: Final answer
    x = 663.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.