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Finding the Fourth Proportional to 1,694,675, 2,338,859.02 and 979,283

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Solution

The fourth proportional to 1,694,675, 2,338,859.02 and 979,283 is: 1,351,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,675 : 2,338,859.02 = 979,283 : x
  2. Step 2: Convert to fraction form
    1,694,675/2,338,859.02 = 979,283/x
  3. Step 3: Cross multiply
    1,694,675x = 2,338,859.02 × 979,283
  4. Step 4: Simplify right side
    1,694,675x = 2,290,404,877,682.66
  5. Step 5: Solve for x
    x = 2,290,404,877,682.66/1,694,675
  6. Step 6: Final answer
    x = 1,351,530.46

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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.