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Finding the Fourth Proportional to 362,680.80, 544,020.40 and 96,441.36

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Solution

The fourth proportional to 362,680.80, 544,020.40 and 96,441.36 is: 144,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,680.80 : 544,020.40 = 96,441.36 : x
  2. Step 2: Convert to fraction form
    362,680.80/544,020.40 = 96,441.36/x
  3. Step 3: Cross multiply
    362,680.80x = 544,020.40 × 96,441.36
  4. Step 4: Simplify right side
    362,680.80x = 52,466,067,243.74
  5. Step 5: Solve for x
    x = 52,466,067,243.74/362,680.80
  6. Step 6: Final answer
    x = 144,661.83

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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.