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Finding the Fourth Proportional to 451,434.52, 622,975.66 and 247,481.73

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Solution

The fourth proportional to 451,434.52, 622,975.66 and 247,481.73 is: 341,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,434.52 : 622,975.66 = 247,481.73 : x
  2. Step 2: Convert to fraction form
    451,434.52/622,975.66 = 247,481.73/x
  3. Step 3: Cross multiply
    451,434.52x = 622,975.66 × 247,481.73
  4. Step 4: Simplify right side
    451,434.52x = 154,175,094,084.69
  5. Step 5: Solve for x
    x = 154,175,094,084.69/451,434.52
  6. Step 6: Final answer
    x = 341,522.61

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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.