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Finding the Fourth Proportional to 627,860.33, 866,423.36 and 341,380.65

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Solution

The fourth proportional to 627,860.33, 866,423.36 and 341,380.65 is: 471,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,860.33 : 866,423.36 = 341,380.65 : x
  2. Step 2: Convert to fraction form
    627,860.33/866,423.36 = 341,380.65/x
  3. Step 3: Cross multiply
    627,860.33x = 866,423.36 × 341,380.65
  4. Step 4: Simplify right side
    627,860.33x = 295,780,170,665.44
  5. Step 5: Solve for x
    x = 295,780,170,665.44/627,860.33
  6. Step 6: Final answer
    x = 471,092.31

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1.5x scale

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.