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Finding the Fourth Proportional to 999,067, 1,498,206.02 and 399,916.48

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Solution

The fourth proportional to 999,067, 1,498,206.02 and 399,916.48 is: 599,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,067 : 1,498,206.02 = 399,916.48 : x
  2. Step 2: Convert to fraction form
    999,067/1,498,206.02 = 399,916.48/x
  3. Step 3: Cross multiply
    999,067x = 1,498,206.02 × 399,916.48
  4. Step 4: Simplify right side
    999,067x = 599,157,277,833.21
  5. Step 5: Solve for x
    x = 599,157,277,833.21/999,067
  6. Step 6: Final answer
    x = 599,716.81

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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.