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Finding the Fourth Proportional to 339,842.36, 468,974.80 and 184,790.28

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Solution

The fourth proportional to 339,842.36, 468,974.80 and 184,790.28 is: 255,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,842.36 : 468,974.80 = 184,790.28 : x
  2. Step 2: Convert to fraction form
    339,842.36/468,974.80 = 184,790.28/x
  3. Step 3: Cross multiply
    339,842.36x = 468,974.80 × 184,790.28
  4. Step 4: Simplify right side
    339,842.36x = 86,661,984,604.94
  5. Step 5: Solve for x
    x = 86,661,984,604.94/339,842.36
  6. Step 6: Final answer
    x = 255,006.42

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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.