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Finding the Fourth Proportional to 327,887.71, 491,849 and 103,265.71

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Solution

The fourth proportional to 327,887.71, 491,849 and 103,265.71 is: 154,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,887.71 : 491,849 = 103,265.71 : x
  2. Step 2: Convert to fraction form
    327,887.71/491,849 = 103,265.71/x
  3. Step 3: Cross multiply
    327,887.71x = 491,849 × 103,265.71
  4. Step 4: Simplify right side
    327,887.71x = 50,791,136,197.79
  5. Step 5: Solve for x
    x = 50,791,136,197.79/327,887.71
  6. Step 6: Final answer
    x = 154,904.06

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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.