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Finding the Fourth Proportional to 362,914.82, 544,461.52 and 126,259.54

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Solution

The fourth proportional to 362,914.82, 544,461.52 and 126,259.54 is: 189,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,914.82 : 544,461.52 = 126,259.54 : x
  2. Step 2: Convert to fraction form
    362,914.82/544,461.52 = 126,259.54/x
  3. Step 3: Cross multiply
    362,914.82x = 544,461.52 × 126,259.54
  4. Step 4: Simplify right side
    362,914.82x = 68,743,461,062.90
  5. Step 5: Solve for x
    x = 68,743,461,062.90/362,914.82
  6. Step 6: Final answer
    x = 189,420.37

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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.