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Finding the Fourth Proportional to 2,067,790, 3,101,685 and 571,882

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Solution

The fourth proportional to 2,067,790, 3,101,685 and 571,882 is: 857,823

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067,790 : 3,101,685 = 571,882 : x
  2. Step 2: Convert to fraction form
    2,067,790/3,101,685 = 571,882/x
  3. Step 3: Cross multiply
    2,067,790x = 3,101,685 × 571,882
  4. Step 4: Simplify right side
    2,067,790x = 1,773,797,821,170
  5. Step 5: Solve for x
    x = 1,773,797,821,170/2,067,790
  6. Step 6: Final answer
    x = 857,823

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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.