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Finding the Fourth Proportional to 627,659.75, 866,171.04 and 341,179.83

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Solution

The fourth proportional to 627,659.75, 866,171.04 and 341,179.83 is: 470,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,659.75 : 866,171.04 = 341,179.83 : x
  2. Step 2: Convert to fraction form
    627,659.75/866,171.04 = 341,179.83/x
  3. Step 3: Cross multiply
    627,659.75x = 866,171.04 × 341,179.83
  4. Step 4: Simplify right side
    627,659.75x = 295,520,086,898.70
  5. Step 5: Solve for x
    x = 295,520,086,898.70/627,659.75
  6. Step 6: Final answer
    x = 470,828.48

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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.