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Finding the Fourth Proportional to 339,223.22, 508,169.50 and 196,769.21

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Solution

The fourth proportional to 339,223.22, 508,169.50 and 196,769.21 is: 294,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,223.22 : 508,169.50 = 196,769.21 : x
  2. Step 2: Convert to fraction form
    339,223.22/508,169.50 = 196,769.21/x
  3. Step 3: Cross multiply
    339,223.22x = 508,169.50 × 196,769.21
  4. Step 4: Simplify right side
    339,223.22x = 99,992,111,601.39
  5. Step 5: Solve for x
    x = 99,992,111,601.39/339,223.22
  6. Step 6: Final answer
    x = 294,767.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.