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Finding the Fourth Proportional to 362,909.82, 544,376.88 and 126,254.82

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Solution

The fourth proportional to 362,909.82, 544,376.88 and 126,254.82 is: 189,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,909.82 : 544,376.88 = 126,254.82 : x
  2. Step 2: Convert to fraction form
    362,909.82/544,376.88 = 126,254.82/x
  3. Step 3: Cross multiply
    362,909.82x = 544,376.88 × 126,254.82
  4. Step 4: Simplify right side
    362,909.82x = 68,730,204,996.56
  5. Step 5: Solve for x
    x = 68,730,204,996.56/362,909.82
  6. Step 6: Final answer
    x = 189,386.46

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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.