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Finding the Fourth Proportional to 327,781.52, 491,790.12 and 114,580.64

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Solution

The fourth proportional to 327,781.52, 491,790.12 and 114,580.64 is: 171,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,781.52 : 491,790.12 = 114,580.64 : x
  2. Step 2: Convert to fraction form
    327,781.52/491,790.12 = 114,580.64/x
  3. Step 3: Cross multiply
    327,781.52x = 491,790.12 × 114,580.64
  4. Step 4: Simplify right side
    327,781.52x = 56,349,626,695.28
  5. Step 5: Solve for x
    x = 56,349,626,695.28/327,781.52
  6. Step 6: Final answer
    x = 171,912.15

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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.