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Finding the Fourth Proportional to 223.76, 336.05 and 200.27

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Solution

The fourth proportional to 223.76, 336.05 and 200.27 is: 300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.76 : 336.05 = 200.27 : x
  2. Step 2: Convert to fraction form
    223.76/336.05 = 200.27/x
  3. Step 3: Cross multiply
    223.76x = 336.05 × 200.27
  4. Step 4: Simplify right side
    223.76x = 67,301.32
  5. Step 5: Solve for x
    x = 67,301.32/223.76
  6. Step 6: Final answer
    x = 300.77

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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.