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Finding the Fourth Proportional to 450,993.02, 622,343.78 and 247,003.31

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Solution

The fourth proportional to 450,993.02, 622,343.78 and 247,003.31 is: 340,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,993.02 : 622,343.78 = 247,003.31 : x
  2. Step 2: Convert to fraction form
    450,993.02/622,343.78 = 247,003.31/x
  3. Step 3: Cross multiply
    450,993.02x = 622,343.78 × 247,003.31
  4. Step 4: Simplify right side
    450,993.02x = 153,720,973,938.76
  5. Step 5: Solve for x
    x = 153,720,973,938.76/450,993.02
  6. Step 6: Final answer
    x = 340,850.01

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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.