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Finding the Fourth Proportional to 609.61, 914.23 and 224.89

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Solution

The fourth proportional to 609.61, 914.23 and 224.89 is: 337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.61 : 914.23 = 224.89 : x
  2. Step 2: Convert to fraction form
    609.61/914.23 = 224.89/x
  3. Step 3: Cross multiply
    609.61x = 914.23 × 224.89
  4. Step 4: Simplify right side
    609.61x = 205,601.18
  5. Step 5: Solve for x
    x = 205,601.18/609.61
  6. Step 6: Final answer
    x = 337.27

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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.