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Finding the Fourth Proportional to 327,991.66, 492,143.01 and 195,134.38

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Solution

The fourth proportional to 327,991.66, 492,143.01 and 195,134.38 is: 292,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,991.66 : 492,143.01 = 195,134.38 : x
  2. Step 2: Convert to fraction form
    327,991.66/492,143.01 = 195,134.38/x
  3. Step 3: Cross multiply
    327,991.66x = 492,143.01 × 195,134.38
  4. Step 4: Simplify right side
    327,991.66x = 96,034,021,127.68
  5. Step 5: Solve for x
    x = 96,034,021,127.68/327,991.66
  6. Step 6: Final answer
    x = 292,794.09

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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.