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Finding the Fourth Proportional to 303,669,326.70, 455,503,990.05 and 222,450,561.90

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Solution

The fourth proportional to 303,669,326.70, 455,503,990.05 and 222,450,561.90 is: 333,675,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,669,326.70 : 455,503,990.05 = 222,450,561.90 : x
  2. Step 2: Convert to fraction form
    303,669,326.70/455,503,990.05 = 222,450,561.90/x
  3. Step 3: Cross multiply
    303,669,326.70x = 455,503,990.05 × 222,450,561.90
  4. Step 4: Simplify right side
    303,669,326.70x = 101,327,118,534,314,512
  5. Step 5: Solve for x
    x = 101,327,118,534,314,512/303,669,326.70
  6. Step 6: Final answer
    x = 333,675,842.85

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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.