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Finding the Fourth Proportional to 451,180.64, 622,629.24 and 269,900.20

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Solution

The fourth proportional to 451,180.64, 622,629.24 and 269,900.20 is: 372,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,180.64 : 622,629.24 = 269,900.20 : x
  2. Step 2: Convert to fraction form
    451,180.64/622,629.24 = 269,900.20/x
  3. Step 3: Cross multiply
    451,180.64x = 622,629.24 × 269,900.20
  4. Step 4: Simplify right side
    451,180.64x = 168,047,756,401.85
  5. Step 5: Solve for x
    x = 168,047,756,401.85/451,180.64
  6. Step 6: Final answer
    x = 372,462.25

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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.