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Finding the Fourth Proportional to 1,796,621.70, 2,694,932.55 and 943,363.65

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Solution

The fourth proportional to 1,796,621.70, 2,694,932.55 and 943,363.65 is: 1,415,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,621.70 : 2,694,932.55 = 943,363.65 : x
  2. Step 2: Convert to fraction form
    1,796,621.70/2,694,932.55 = 943,363.65/x
  3. Step 3: Cross multiply
    1,796,621.70x = 2,694,932.55 × 943,363.65
  4. Step 4: Simplify right side
    1,796,621.70x = 2,542,301,406,871.81
  5. Step 5: Solve for x
    x = 2,542,301,406,871.81/1,796,621.70
  6. Step 6: Final answer
    x = 1,415,045.48

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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.