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Finding the Fourth Proportional to 451,003.64, 622,377.15 and 247,058.60

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Solution

The fourth proportional to 451,003.64, 622,377.15 and 247,058.60 is: 340,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,003.64 : 622,377.15 = 247,058.60 : x
  2. Step 2: Convert to fraction form
    451,003.64/622,377.15 = 247,058.60/x
  3. Step 3: Cross multiply
    451,003.64x = 622,377.15 × 247,058.60
  4. Step 4: Simplify right side
    451,003.64x = 153,763,627,350.99
  5. Step 5: Solve for x
    x = 153,763,627,350.99/451,003.64
  6. Step 6: Final answer
    x = 340,936.56

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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.