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Finding the Fourth Proportional to 1,789,709.44, 2,469,850.96 and 973,965.76

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Solution

The fourth proportional to 1,789,709.44, 2,469,850.96 and 973,965.76 is: 1,344,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,709.44 : 2,469,850.96 = 973,965.76 : x
  2. Step 2: Convert to fraction form
    1,789,709.44/2,469,850.96 = 973,965.76/x
  3. Step 3: Cross multiply
    1,789,709.44x = 2,469,850.96 × 973,965.76
  4. Step 4: Simplify right side
    1,789,709.44x = 2,405,550,267,343.13
  5. Step 5: Solve for x
    x = 2,405,550,267,343.13/1,789,709.44
  6. Step 6: Final answer
    x = 1,344,101.01

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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.