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Finding the Fourth Proportional to 362,810.82, 544,221.66 and 138,183.66

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Solution

The fourth proportional to 362,810.82, 544,221.66 and 138,183.66 is: 207,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,810.82 : 544,221.66 = 138,183.66 : x
  2. Step 2: Convert to fraction form
    362,810.82/544,221.66 = 138,183.66/x
  3. Step 3: Cross multiply
    362,810.82x = 544,221.66 × 138,183.66
  4. Step 4: Simplify right side
    362,810.82x = 75,202,540,830.08
  5. Step 5: Solve for x
    x = 75,202,540,830.08/362,810.82
  6. Step 6: Final answer
    x = 207,277.56

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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.