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Finding the Fourth Proportional to 303,380.81, 454,637.49 and 222,786.44

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Solution

The fourth proportional to 303,380.81, 454,637.49 and 222,786.44 is: 333,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,380.81 : 454,637.49 = 222,786.44 : x
  2. Step 2: Convert to fraction form
    303,380.81/454,637.49 = 222,786.44/x
  3. Step 3: Cross multiply
    303,380.81x = 454,637.49 × 222,786.44
  4. Step 4: Simplify right side
    303,380.81x = 101,287,069,504.79
  5. Step 5: Solve for x
    x = 101,287,069,504.79/303,380.81
  6. Step 6: Final answer
    x = 333,861.16

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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.