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Finding the Fourth Proportional to 339,939.28, 469,119.24 and 184,891.96

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Solution

The fourth proportional to 339,939.28, 469,119.24 and 184,891.96 is: 255,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,939.28 : 469,119.24 = 184,891.96 : x
  2. Step 2: Convert to fraction form
    339,939.28/469,119.24 = 184,891.96/x
  3. Step 3: Cross multiply
    339,939.28x = 469,119.24 × 184,891.96
  4. Step 4: Simplify right side
    339,939.28x = 86,736,375,757.31
  5. Step 5: Solve for x
    x = 86,736,375,757.31/339,939.28
  6. Step 6: Final answer
    x = 255,152.55

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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.