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Finding the Fourth Proportional to 303,669,343.70, 455,504,015.55 and 222,450,578.90

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Solution

The fourth proportional to 303,669,343.70, 455,504,015.55 and 222,450,578.90 is: 333,675,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669,343.70 : 455,504,015.55 = 222,450,578.90 : x
  2. Step 2: Convert to fraction form
    303,669,343.70/455,504,015.55 = 222,450,578.90/x
  3. Step 3: Cross multiply
    303,669,343.70x = 455,504,015.55 × 222,450,578.90
  4. Step 4: Simplify right side
    303,669,343.70x = 101,327,131,950,372,112
  5. Step 5: Solve for x
    x = 101,327,131,950,372,112/303,669,343.70
  6. Step 6: Final answer
    x = 333,675,868.35

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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.