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Finding the Fourth Proportional to 444,784.40, 667,076.55 and 204,667.97

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Solution

The fourth proportional to 444,784.40, 667,076.55 and 204,667.97 is: 306,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,784.40 : 667,076.55 = 204,667.97 : x
  2. Step 2: Convert to fraction form
    444,784.40/667,076.55 = 204,667.97/x
  3. Step 3: Cross multiply
    444,784.40x = 667,076.55 × 204,667.97
  4. Step 4: Simplify right side
    444,784.40x = 136,529,199,220.22
  5. Step 5: Solve for x
    x = 136,529,199,220.22/444,784.40
  6. Step 6: Final answer
    x = 306,955.91

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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.