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Finding the Fourth Proportional to 451,159.88, 622,600.63 and 269,879.45

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Solution

The fourth proportional to 451,159.88, 622,600.63 and 269,879.45 is: 372,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,159.88 : 622,600.63 = 269,879.45 : x
  2. Step 2: Convert to fraction form
    451,159.88/622,600.63 = 269,879.45/x
  3. Step 3: Cross multiply
    451,159.88x = 622,600.63 × 269,879.45
  4. Step 4: Simplify right side
    451,159.88x = 168,027,111,806.35
  5. Step 5: Solve for x
    x = 168,027,111,806.35/451,159.88
  6. Step 6: Final answer
    x = 372,433.63

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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.