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Finding the Fourth Proportional to 362,906.16, 544,371.48 and 126,250.80

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Solution

The fourth proportional to 362,906.16, 544,371.48 and 126,250.80 is: 189,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,906.16 : 544,371.48 = 126,250.80 : x
  2. Step 2: Convert to fraction form
    362,906.16/544,371.48 = 126,250.80/x
  3. Step 3: Cross multiply
    362,906.16x = 544,371.48 × 126,250.80
  4. Step 4: Simplify right side
    362,906.16x = 68,727,334,847.18
  5. Step 5: Solve for x
    x = 68,727,334,847.18/362,906.16
  6. Step 6: Final answer
    x = 189,380.46

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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.