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Finding the Fourth Proportional to 351,675.39, 485,133.49 and 222,396.14

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Solution

The fourth proportional to 351,675.39, 485,133.49 and 222,396.14 is: 306,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,675.39 : 485,133.49 = 222,396.14 : x
  2. Step 2: Convert to fraction form
    351,675.39/485,133.49 = 222,396.14/x
  3. Step 3: Cross multiply
    351,675.39x = 485,133.49 × 222,396.14
  4. Step 4: Simplify right side
    351,675.39x = 107,891,817,051.56
  5. Step 5: Solve for x
    x = 107,891,817,051.56/351,675.39
  6. Step 6: Final answer
    x = 306,793.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.