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Finding the Fourth Proportional to 468,906.28, 647,091.30 and 254,046.34

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Solution

The fourth proportional to 468,906.28, 647,091.30 and 254,046.34 is: 350,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,906.28 : 647,091.30 = 254,046.34 : x
  2. Step 2: Convert to fraction form
    468,906.28/647,091.30 = 254,046.34/x
  3. Step 3: Cross multiply
    468,906.28x = 647,091.30 × 254,046.34
  4. Step 4: Simplify right side
    468,906.28x = 164,391,176,410.84
  5. Step 5: Solve for x
    x = 164,391,176,410.84/468,906.28
  6. Step 6: Final answer
    x = 350,584.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.