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Finding the Fourth Proportional to 662,694.80, 994,171.80 and 263,267.60

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Solution

The fourth proportional to 662,694.80, 994,171.80 and 263,267.60 is: 394,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,694.80 : 994,171.80 = 263,267.60 : x
  2. Step 2: Convert to fraction form
    662,694.80/994,171.80 = 263,267.60/x
  3. Step 3: Cross multiply
    662,694.80x = 994,171.80 × 263,267.60
  4. Step 4: Simplify right side
    662,694.80x = 261,733,223,773.68
  5. Step 5: Solve for x
    x = 261,733,223,773.68/662,694.80
  6. Step 6: Final answer
    x = 394,952.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.