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Finding the Fourth Proportional to 327,954.58, 491,931.96 and 253,183.87

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Solution

The fourth proportional to 327,954.58, 491,931.96 and 253,183.87 is: 379,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,954.58 : 491,931.96 = 253,183.87 : x
  2. Step 2: Convert to fraction form
    327,954.58/491,931.96 = 253,183.87/x
  3. Step 3: Cross multiply
    327,954.58x = 491,931.96 × 253,183.87
  4. Step 4: Simplify right side
    327,954.58x = 124,549,237,409.49
  5. Step 5: Solve for x
    x = 124,549,237,409.49/327,954.58
  6. Step 6: Final answer
    x = 379,775.87

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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.