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Finding the Fourth Proportional to 362,891.82, 544,350.03 and 126,236.55

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Solution

The fourth proportional to 362,891.82, 544,350.03 and 126,236.55 is: 189,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,891.82 : 544,350.03 = 126,236.55 : x
  2. Step 2: Convert to fraction form
    362,891.82/544,350.03 = 126,236.55/x
  3. Step 3: Cross multiply
    362,891.82x = 544,350.03 × 126,236.55
  4. Step 4: Simplify right side
    362,891.82x = 68,716,869,779.60
  5. Step 5: Solve for x
    x = 68,716,869,779.60/362,891.82
  6. Step 6: Final answer
    x = 189,359.10

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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.