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Finding the Fourth Proportional to 362,812.82, 544,224.66 and 138,185.66

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Solution

The fourth proportional to 362,812.82, 544,224.66 and 138,185.66 is: 207,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,812.82 : 544,224.66 = 138,185.66 : x
  2. Step 2: Convert to fraction form
    362,812.82/544,224.66 = 138,185.66/x
  3. Step 3: Cross multiply
    362,812.82x = 544,224.66 × 138,185.66
  4. Step 4: Simplify right side
    362,812.82x = 75,204,043,830.38
  5. Step 5: Solve for x
    x = 75,204,043,830.38/362,812.82
  6. Step 6: Final answer
    x = 207,280.56

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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.