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Finding the Fourth Proportional to 422,673.04, 583,286.04 and 231,694.48

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Solution

The fourth proportional to 422,673.04, 583,286.04 and 231,694.48 is: 319,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,673.04 : 583,286.04 = 231,694.48 : x
  2. Step 2: Convert to fraction form
    422,673.04/583,286.04 = 231,694.48/x
  3. Step 3: Cross multiply
    422,673.04x = 583,286.04 × 231,694.48
  4. Step 4: Simplify right side
    422,673.04x = 135,144,155,729.06
  5. Step 5: Solve for x
    x = 135,144,155,729.06/422,673.04
  6. Step 6: Final answer
    x = 319,736.87

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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.