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Finding the Fourth Proportional to 297.83, 446.56 and 133.27

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Solution

The fourth proportional to 297.83, 446.56 and 133.27 is: 199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.83 : 446.56 = 133.27 : x
  2. Step 2: Convert to fraction form
    297.83/446.56 = 133.27/x
  3. Step 3: Cross multiply
    297.83x = 446.56 × 133.27
  4. Step 4: Simplify right side
    297.83x = 59,511.46
  5. Step 5: Solve for x
    x = 59,511.46/297.83
  6. Step 6: Final answer
    x = 199.82

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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.