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Finding the Fourth Proportional to 627,550.43, 866,014.42 and 341,072.27

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Solution

The fourth proportional to 627,550.43, 866,014.42 and 341,072.27 is: 470,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,550.43 : 866,014.42 = 341,072.27 : x
  2. Step 2: Convert to fraction form
    627,550.43/866,014.42 = 341,072.27/x
  3. Step 3: Cross multiply
    627,550.43x = 866,014.42 × 341,072.27
  4. Step 4: Simplify right side
    627,550.43x = 295,373,498,046.70
  5. Step 5: Solve for x
    x = 295,373,498,046.70/627,550.43
  6. Step 6: Final answer
    x = 470,676.91

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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.