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Finding the Fourth Proportional to 327,452.74, 451,719.37 and 191,397.80

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Solution

The fourth proportional to 327,452.74, 451,719.37 and 191,397.80 is: 264,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,452.74 : 451,719.37 = 191,397.80 : x
  2. Step 2: Convert to fraction form
    327,452.74/451,719.37 = 191,397.80/x
  3. Step 3: Cross multiply
    327,452.74x = 451,719.37 × 191,397.80
  4. Step 4: Simplify right side
    327,452.74x = 86,458,093,635.39
  5. Step 5: Solve for x
    x = 86,458,093,635.39/327,452.74
  6. Step 6: Final answer
    x = 264,032.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.