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Finding the Fourth Proportional to 589.38, 882.96 and 383.22

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Solution

The fourth proportional to 589.38, 882.96 and 383.22 is: 574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.38 : 882.96 = 383.22 : x
  2. Step 2: Convert to fraction form
    589.38/882.96 = 383.22/x
  3. Step 3: Cross multiply
    589.38x = 882.96 × 383.22
  4. Step 4: Simplify right side
    589.38x = 338,367.93
  5. Step 5: Solve for x
    x = 338,367.93/589.38
  6. Step 6: Final answer
    x = 574.11

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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.