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Finding the Fourth Proportional to 609,460.91, 914,446.54 and 267,728.09

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Solution

The fourth proportional to 609,460.91, 914,446.54 and 267,728.09 is: 401,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,460.91 : 914,446.54 = 267,728.09 : x
  2. Step 2: Convert to fraction form
    609,460.91/914,446.54 = 267,728.09/x
  3. Step 3: Cross multiply
    609,460.91x = 914,446.54 × 267,728.09
  4. Step 4: Simplify right side
    609,460.91x = 244,823,020,570.75
  5. Step 5: Solve for x
    x = 244,823,020,570.75/609,460.91
  6. Step 6: Final answer
    x = 401,704.22

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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.