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Finding the Fourth Proportional to 362,891.07, 544,348.89 and 126,235.80

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Solution

The fourth proportional to 362,891.07, 544,348.89 and 126,235.80 is: 189,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,891.07 : 544,348.89 = 126,235.80 : x
  2. Step 2: Convert to fraction form
    362,891.07/544,348.89 = 126,235.80/x
  3. Step 3: Cross multiply
    362,891.07x = 544,348.89 × 126,235.80
  4. Step 4: Simplify right side
    362,891.07x = 68,716,317,608.26
  5. Step 5: Solve for x
    x = 68,716,317,608.26/362,891.07
  6. Step 6: Final answer
    x = 189,357.97

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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.