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Finding the Fourth Proportional to 451,295.96, 622,793.30 and 247,342.49

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Solution

The fourth proportional to 451,295.96, 622,793.30 and 247,342.49 is: 341,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,295.96 : 622,793.30 = 247,342.49 : x
  2. Step 2: Convert to fraction form
    451,295.96/622,793.30 = 247,342.49/x
  3. Step 3: Cross multiply
    451,295.96x = 622,793.30 × 247,342.49
  4. Step 4: Simplify right side
    451,295.96x = 154,043,241,226.64
  5. Step 5: Solve for x
    x = 154,043,241,226.64/451,295.96
  6. Step 6: Final answer
    x = 341,335.30

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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.