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Finding the Fourth Proportional to 491,244.26, 677,912.29 and 273,449.48

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Solution

The fourth proportional to 491,244.26, 677,912.29 and 273,449.48 is: 377,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,244.26 : 677,912.29 = 273,449.48 : x
  2. Step 2: Convert to fraction form
    491,244.26/677,912.29 = 273,449.48/x
  3. Step 3: Cross multiply
    491,244.26x = 677,912.29 × 273,449.48
  4. Step 4: Simplify right side
    491,244.26x = 185,374,759,112.92
  5. Step 5: Solve for x
    x = 185,374,759,112.92/491,244.26
  6. Step 6: Final answer
    x = 377,357.61

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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.