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Finding the Fourth Proportional to 226,171.31, 340,882.70 and 194,958.09

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Solution

The fourth proportional to 226,171.31, 340,882.70 and 194,958.09 is: 293,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,171.31 : 340,882.70 = 194,958.09 : x
  2. Step 2: Convert to fraction form
    226,171.31/340,882.70 = 194,958.09/x
  3. Step 3: Cross multiply
    226,171.31x = 340,882.70 × 194,958.09
  4. Step 4: Simplify right side
    226,171.31x = 66,457,839,131.25
  5. Step 5: Solve for x
    x = 66,457,839,131.25/226,171.31
  6. Step 6: Final answer
    x = 293,838.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.