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Finding the Fourth Proportional to 1,297,919.88, 1,944,744.78 and 444,520.92

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Solution

The fourth proportional to 1,297,919.88, 1,944,744.78 and 444,520.92 is: 666,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,919.88 : 1,944,744.78 = 444,520.92 : x
  2. Step 2: Convert to fraction form
    1,297,919.88/1,944,744.78 = 444,520.92/x
  3. Step 3: Cross multiply
    1,297,919.88x = 1,944,744.78 × 444,520.92
  4. Step 4: Simplify right side
    1,297,919.88x = 864,479,738,770.80
  5. Step 5: Solve for x
    x = 864,479,738,770.80/1,297,919.88
  6. Step 6: Final answer
    x = 666,050.16

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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.