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Finding the Fourth Proportional to 322,388.28, 444,900.45 and 177,207.51

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Solution

The fourth proportional to 322,388.28, 444,900.45 and 177,207.51 is: 244,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,388.28 : 444,900.45 = 177,207.51 : x
  2. Step 2: Convert to fraction form
    322,388.28/444,900.45 = 177,207.51/x
  3. Step 3: Cross multiply
    322,388.28x = 444,900.45 × 177,207.51
  4. Step 4: Simplify right side
    322,388.28x = 78,839,700,942.38
  5. Step 5: Solve for x
    x = 78,839,700,942.38/322,388.28
  6. Step 6: Final answer
    x = 244,548.91

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Why These Related Problems?

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