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Finding the Fourth Proportional to 1,777,766, 2,666,926 and 579,410.28

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Solution

The fourth proportional to 1,777,766, 2,666,926 and 579,410.28 is: 869,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,766 : 2,666,926 = 579,410.28 : x
  2. Step 2: Convert to fraction form
    1,777,766/2,666,926 = 579,410.28/x
  3. Step 3: Cross multiply
    1,777,766x = 2,666,926 × 579,410.28
  4. Step 4: Simplify right side
    1,777,766x = 1,545,244,340,399.28
  5. Step 5: Solve for x
    x = 1,545,244,340,399.28/1,777,766
  6. Step 6: Final answer
    x = 869,205.70

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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.