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Finding the Fourth Proportional to 297.69, 446.63 and 200.58

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Solution

The fourth proportional to 297.69, 446.63 and 200.58 is: 300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.69 : 446.63 = 200.58 : x
  2. Step 2: Convert to fraction form
    297.69/446.63 = 200.58/x
  3. Step 3: Cross multiply
    297.69x = 446.63 × 200.58
  4. Step 4: Simplify right side
    297.69x = 89,584.04
  5. Step 5: Solve for x
    x = 89,584.04/297.69
  6. Step 6: Final answer
    x = 300.93

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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.