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Finding the Fourth Proportional to 445,674.73, 668,270.15 and 202,382.21

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Solution

The fourth proportional to 445,674.73, 668,270.15 and 202,382.21 is: 303,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,674.73 : 668,270.15 = 202,382.21 : x
  2. Step 2: Convert to fraction form
    445,674.73/668,270.15 = 202,382.21/x
  3. Step 3: Cross multiply
    445,674.73x = 668,270.15 × 202,382.21
  4. Step 4: Simplify right side
    445,674.73x = 135,245,986,998.64
  5. Step 5: Solve for x
    x = 135,245,986,998.64/445,674.73
  6. Step 6: Final answer
    x = 303,463.44

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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.