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Finding the Fourth Proportional to 451,203.75, 622,661.31 and 269,923.32

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Solution

The fourth proportional to 451,203.75, 622,661.31 and 269,923.32 is: 372,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,203.75 : 622,661.31 = 269,923.32 : x
  2. Step 2: Convert to fraction form
    451,203.75/622,661.31 = 269,923.32/x
  3. Step 3: Cross multiply
    451,203.75x = 622,661.31 × 269,923.32
  4. Step 4: Simplify right side
    451,203.75x = 168,070,808,030.75
  5. Step 5: Solve for x
    x = 168,070,808,030.75/451,203.75
  6. Step 6: Final answer
    x = 372,494.26

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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.