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Finding the Fourth Proportional to 609.63, 914.60 and 224.88

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Solution

The fourth proportional to 609.63, 914.60 and 224.88 is: 337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.63 : 914.60 = 224.88 : x
  2. Step 2: Convert to fraction form
    609.63/914.60 = 224.88/x
  3. Step 3: Cross multiply
    609.63x = 914.60 × 224.88
  4. Step 4: Simplify right side
    609.63x = 205,675.25
  5. Step 5: Solve for x
    x = 205,675.25/609.63
  6. Step 6: Final answer
    x = 337.38

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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.