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Finding the Fourth Proportional to 297.03, 445.52 and 200.64

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Solution

The fourth proportional to 297.03, 445.52 and 200.64 is: 300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.03 : 445.52 = 200.64 : x
  2. Step 2: Convert to fraction form
    297.03/445.52 = 200.64/x
  3. Step 3: Cross multiply
    297.03x = 445.52 × 200.64
  4. Step 4: Simplify right side
    297.03x = 89,388.13
  5. Step 5: Solve for x
    x = 89,388.13/297.03
  6. Step 6: Final answer
    x = 300.94

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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.