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Finding the Fourth Proportional to 1,796,623.70, 2,694,935.55 and 943,365.65

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Solution

The fourth proportional to 1,796,623.70, 2,694,935.55 and 943,365.65 is: 1,415,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,623.70 : 2,694,935.55 = 943,365.65 : x
  2. Step 2: Convert to fraction form
    1,796,623.70/2,694,935.55 = 943,365.65/x
  3. Step 3: Cross multiply
    1,796,623.70x = 2,694,935.55 × 943,365.65
  4. Step 4: Simplify right side
    1,796,623.70x = 2,542,309,626,833.86
  5. Step 5: Solve for x
    x = 2,542,309,626,833.86/1,796,623.70
  6. Step 6: Final answer
    x = 1,415,048.48

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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.