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Finding the Fourth Proportional to 2,993,326, 4,490,027.91 and 998,782

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Solution

The fourth proportional to 2,993,326, 4,490,027.91 and 998,782 is: 1,498,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,326 : 4,490,027.91 = 998,782 : x
  2. Step 2: Convert to fraction form
    2,993,326/4,490,027.91 = 998,782/x
  3. Step 3: Cross multiply
    2,993,326x = 4,490,027.91 × 998,782
  4. Step 4: Simplify right side
    2,993,326x = 4,484,559,056,005.62
  5. Step 5: Solve for x
    x = 4,484,559,056,005.62/2,993,326
  6. Step 6: Final answer
    x = 1,498,185.98

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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.