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Finding the Fourth Proportional to 451,174.50, 622,620.81 and 269,894.07

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Solution

The fourth proportional to 451,174.50, 622,620.81 and 269,894.07 is: 372,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,174.50 : 622,620.81 = 269,894.07 : x
  2. Step 2: Convert to fraction form
    451,174.50/622,620.81 = 269,894.07/x
  3. Step 3: Cross multiply
    451,174.50x = 622,620.81 × 269,894.07
  4. Step 4: Simplify right side
    451,174.50x = 168,041,664,477.60
  5. Step 5: Solve for x
    x = 168,041,664,477.60/451,174.50
  6. Step 6: Final answer
    x = 372,453.82

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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.