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Finding the Fourth Proportional to 627,846.70, 866,424.09 and 341,366.90

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Solution

The fourth proportional to 627,846.70, 866,424.09 and 341,366.90 is: 471,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,846.70 : 866,424.09 = 341,366.90 : x
  2. Step 2: Convert to fraction form
    627,846.70/866,424.09 = 341,366.90/x
  3. Step 3: Cross multiply
    627,846.70x = 866,424.09 × 341,366.90
  4. Step 4: Simplify right side
    627,846.70x = 295,768,505,688.62
  5. Step 5: Solve for x
    x = 295,768,505,688.62/627,846.70
  6. Step 6: Final answer
    x = 471,083.95

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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.