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Finding the Fourth Proportional to 3,270,626, 4,905,939 and 906,722

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Solution

The fourth proportional to 3,270,626, 4,905,939 and 906,722 is: 1,360,083

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,626 : 4,905,939 = 906,722 : x
  2. Step 2: Convert to fraction form
    3,270,626/4,905,939 = 906,722/x
  3. Step 3: Cross multiply
    3,270,626x = 4,905,939 × 906,722
  4. Step 4: Simplify right side
    3,270,626x = 4,448,322,821,958
  5. Step 5: Solve for x
    x = 4,448,322,821,958/3,270,626
  6. Step 6: Final answer
    x = 1,360,083

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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.