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Finding the Fourth Proportional to 363,263.97, 544,600.70 and 126,772.73

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Solution

The fourth proportional to 363,263.97, 544,600.70 and 126,772.73 is: 190,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,263.97 : 544,600.70 = 126,772.73 : x
  2. Step 2: Convert to fraction form
    363,263.97/544,600.70 = 126,772.73/x
  3. Step 3: Cross multiply
    363,263.97x = 544,600.70 × 126,772.73
  4. Step 4: Simplify right side
    363,263.97x = 69,040,514,142.04
  5. Step 5: Solve for x
    x = 69,040,514,142.04/363,263.97
  6. Step 6: Final answer
    x = 190,056.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.