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Finding the Fourth Proportional to 451,003.56, 622,377.45 and 247,052.58

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Solution

The fourth proportional to 451,003.56, 622,377.45 and 247,052.58 is: 340,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,003.56 : 622,377.45 = 247,052.58 : x
  2. Step 2: Convert to fraction form
    451,003.56/622,377.45 = 247,052.58/x
  3. Step 3: Cross multiply
    451,003.56x = 622,377.45 × 247,052.58
  4. Step 4: Simplify right side
    451,003.56x = 153,759,954,756.32
  5. Step 5: Solve for x
    x = 153,759,954,756.32/451,003.56
  6. Step 6: Final answer
    x = 340,928.47

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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.