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Finding the Fourth Proportional to 327,886.71, 491,847.50 and 103,264.71

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Solution

The fourth proportional to 327,886.71, 491,847.50 and 103,264.71 is: 154,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,886.71 : 491,847.50 = 103,264.71 : x
  2. Step 2: Convert to fraction form
    327,886.71/491,847.50 = 103,264.71/x
  3. Step 3: Cross multiply
    327,886.71x = 491,847.50 × 103,264.71
  4. Step 4: Simplify right side
    327,886.71x = 50,790,489,709.89
  5. Step 5: Solve for x
    x = 50,790,489,709.89/327,886.71
  6. Step 6: Final answer
    x = 154,902.56

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1.5x scale

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.