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Finding the Fourth Proportional to 327,502.80, 491,254.20 and 90,845.48

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Solution

The fourth proportional to 327,502.80, 491,254.20 and 90,845.48 is: 136,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,502.80 : 491,254.20 = 90,845.48 : x
  2. Step 2: Convert to fraction form
    327,502.80/491,254.20 = 90,845.48/x
  3. Step 3: Cross multiply
    327,502.80x = 491,254.20 × 90,845.48
  4. Step 4: Simplify right side
    327,502.80x = 44,628,223,601.02
  5. Step 5: Solve for x
    x = 44,628,223,601.02/327,502.80
  6. Step 6: Final answer
    x = 136,268.22

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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.