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Finding the Fourth Proportional to 451,174.38, 622,620.64 and 269,893.95

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Solution

The fourth proportional to 451,174.38, 622,620.64 and 269,893.95 is: 372,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,174.38 : 622,620.64 = 269,893.95 : x
  2. Step 2: Convert to fraction form
    451,174.38/622,620.64 = 269,893.95/x
  3. Step 3: Cross multiply
    451,174.38x = 622,620.64 × 269,893.95
  4. Step 4: Simplify right side
    451,174.38x = 168,041,543,881.13
  5. Step 5: Solve for x
    x = 168,041,543,881.13/451,174.38
  6. Step 6: Final answer
    x = 372,453.65

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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.