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Finding the Fourth Proportional to 588.61, 882.51 and 198.49

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Solution

The fourth proportional to 588.61, 882.51 and 198.49 is: 297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.61 : 882.51 = 198.49 : x
  2. Step 2: Convert to fraction form
    588.61/882.51 = 198.49/x
  3. Step 3: Cross multiply
    588.61x = 882.51 × 198.49
  4. Step 4: Simplify right side
    588.61x = 175,169.41
  5. Step 5: Solve for x
    x = 175,169.41/588.61
  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.