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Finding the Fourth Proportional to 451,893.09, 623,591.41 and 247,939.41

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Solution

The fourth proportional to 451,893.09, 623,591.41 and 247,939.41 is: 342,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,893.09 : 623,591.41 = 247,939.41 : x
  2. Step 2: Convert to fraction form
    451,893.09/623,591.41 = 247,939.41/x
  3. Step 3: Cross multiply
    451,893.09x = 623,591.41 × 247,939.41
  4. Step 4: Simplify right side
    451,893.09x = 154,612,886,276.47
  5. Step 5: Solve for x
    x = 154,612,886,276.47/451,893.09
  6. Step 6: Final answer
    x = 342,144.83

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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.