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Finding the Fourth Proportional to 394,591.72, 544,407.60 and 241,470.40

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Solution

The fourth proportional to 394,591.72, 544,407.60 and 241,470.40 is: 333,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,591.72 : 544,407.60 = 241,470.40 : x
  2. Step 2: Convert to fraction form
    394,591.72/544,407.60 = 241,470.40/x
  3. Step 3: Cross multiply
    394,591.72x = 544,407.60 × 241,470.40
  4. Step 4: Simplify right side
    394,591.72x = 131,458,320,935.04
  5. Step 5: Solve for x
    x = 131,458,320,935.04/394,591.72
  6. Step 6: Final answer
    x = 333,150.23

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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.