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Finding the Fourth Proportional to 1,796,623.20, 2,694,934.80 and 943,365.15

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Solution

The fourth proportional to 1,796,623.20, 2,694,934.80 and 943,365.15 is: 1,415,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,623.20 : 2,694,934.80 = 943,365.15 : x
  2. Step 2: Convert to fraction form
    1,796,623.20/2,694,934.80 = 943,365.15/x
  3. Step 3: Cross multiply
    1,796,623.20x = 2,694,934.80 × 943,365.15
  4. Step 4: Simplify right side
    1,796,623.20x = 2,542,307,571,842.22
  5. Step 5: Solve for x
    x = 2,542,307,571,842.22/1,796,623.20
  6. Step 6: Final answer
    x = 1,415,047.73

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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.