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Finding the Fourth Proportional to 394,748.25, 544,751.64 and 222,665.64

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Solution

The fourth proportional to 394,748.25, 544,751.64 and 222,665.64 is: 307,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,748.25 : 544,751.64 = 222,665.64 : x
  2. Step 2: Convert to fraction form
    394,748.25/544,751.64 = 222,665.64/x
  3. Step 3: Cross multiply
    394,748.25x = 544,751.64 × 222,665.64
  4. Step 4: Simplify right side
    394,748.25x = 121,297,472,561.65
  5. Step 5: Solve for x
    x = 121,297,472,561.65/394,748.25
  6. Step 6: Final answer
    x = 307,278.05

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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.