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Finding the Fourth Proportional to 468,876.18, 647,046.54 and 254,020.44

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Solution

The fourth proportional to 468,876.18, 647,046.54 and 254,020.44 is: 350,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,876.18 : 647,046.54 = 254,020.44 : x
  2. Step 2: Convert to fraction form
    468,876.18/647,046.54 = 254,020.44/x
  3. Step 3: Cross multiply
    468,876.18x = 647,046.54 × 254,020.44
  4. Step 4: Simplify right side
    468,876.18x = 164,363,046,791.28
  5. Step 5: Solve for x
    x = 164,363,046,791.28/468,876.18
  6. Step 6: Final answer
    x = 350,546.80

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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.