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Finding the Fourth Proportional to 394,608.02, 544,612.38 and 222,561.32

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Solution

The fourth proportional to 394,608.02, 544,612.38 and 222,561.32 is: 307,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,608.02 : 544,612.38 = 222,561.32 : x
  2. Step 2: Convert to fraction form
    394,608.02/544,612.38 = 222,561.32/x
  3. Step 3: Cross multiply
    394,608.02x = 544,612.38 × 222,561.32
  4. Step 4: Simplify right side
    394,608.02x = 121,209,650,181.14
  5. Step 5: Solve for x
    x = 121,209,650,181.14/394,608.02
  6. Step 6: Final answer
    x = 307,164.69

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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.