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Finding the Fourth Proportional to 451,179.40, 622,627.52 and 269,898.96

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Solution

The fourth proportional to 451,179.40, 622,627.52 and 269,898.96 is: 372,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,179.40 : 622,627.52 = 269,898.96 : x
  2. Step 2: Convert to fraction form
    451,179.40/622,627.52 = 269,898.96/x
  3. Step 3: Cross multiply
    451,179.40x = 622,627.52 × 269,898.96
  4. Step 4: Simplify right side
    451,179.40x = 168,046,520,115.38
  5. Step 5: Solve for x
    x = 168,046,520,115.38/451,179.40
  6. Step 6: Final answer
    x = 372,460.53

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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.