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Finding the Fourth Proportional to 588.34, 882.61 and 198.38

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Solution

The fourth proportional to 588.34, 882.61 and 198.38 is: 297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.34 : 882.61 = 198.38 : x
  2. Step 2: Convert to fraction form
    588.34/882.61 = 198.38/x
  3. Step 3: Cross multiply
    588.34x = 882.61 × 198.38
  4. Step 4: Simplify right side
    588.34x = 175,092.17
  5. Step 5: Solve for x
    x = 175,092.17/588.34
  6. Step 6: Final answer
    x = 297.60

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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.