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Finding the Fourth Proportional to 224.90, 335.41 and 203.03

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Solution

The fourth proportional to 224.90, 335.41 and 203.03 is: 302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.90 : 335.41 = 203.03 : x
  2. Step 2: Convert to fraction form
    224.90/335.41 = 203.03/x
  3. Step 3: Cross multiply
    224.90x = 335.41 × 203.03
  4. Step 4: Simplify right side
    224.90x = 68,097.37
  5. Step 5: Solve for x
    x = 68,097.37/224.90
  6. Step 6: Final answer
    x = 302.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.