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Finding the Fourth Proportional to 394,735.23, 544,696.11 and 222,680.30

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Solution

The fourth proportional to 394,735.23, 544,696.11 and 222,680.30 is: 307,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,735.23 : 544,696.11 = 222,680.30 : x
  2. Step 2: Convert to fraction form
    394,735.23/544,696.11 = 222,680.30/x
  3. Step 3: Cross multiply
    394,735.23x = 544,696.11 × 222,680.30
  4. Step 4: Simplify right side
    394,735.23x = 121,293,090,460.15
  5. Step 5: Solve for x
    x = 121,293,090,460.15/394,735.23
  6. Step 6: Final answer
    x = 307,277.08

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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.