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Finding the Fourth Proportional to 2,766,723.13, 4,150,473.09 and 969,195.16

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Solution

The fourth proportional to 2,766,723.13, 4,150,473.09 and 969,195.16 is: 1,453,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,723.13 : 4,150,473.09 = 969,195.16 : x
  2. Step 2: Convert to fraction form
    2,766,723.13/4,150,473.09 = 969,195.16/x
  3. Step 3: Cross multiply
    2,766,723.13x = 4,150,473.09 × 969,195.16
  4. Step 4: Simplify right side
    2,766,723.13x = 4,022,618,430,538.24
  5. Step 5: Solve for x
    x = 4,022,618,430,538.24/2,766,723.13
  6. Step 6: Final answer
    x = 1,453,928.80

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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.