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Finding the Fourth Proportional to 248,294.21, 371,723.22 and 222,655.28

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Solution

The fourth proportional to 248,294.21, 371,723.22 and 222,655.28 is: 333,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,294.21 : 371,723.22 = 222,655.28 : x
  2. Step 2: Convert to fraction form
    248,294.21/371,723.22 = 222,655.28/x
  3. Step 3: Cross multiply
    248,294.21x = 371,723.22 × 222,655.28
  4. Step 4: Simplify right side
    248,294.21x = 82,766,135,772.99
  5. Step 5: Solve for x
    x = 82,766,135,772.99/248,294.21
  6. Step 6: Final answer
    x = 333,338.97

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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.