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Finding the Fourth Proportional to 327,185.64, 491,040.90 and 169,459.20

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Solution

The fourth proportional to 327,185.64, 491,040.90 and 169,459.20 is: 254,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,185.64 : 491,040.90 = 169,459.20 : x
  2. Step 2: Convert to fraction form
    327,185.64/491,040.90 = 169,459.20/x
  3. Step 3: Cross multiply
    327,185.64x = 491,040.90 × 169,459.20
  4. Step 4: Simplify right side
    327,185.64x = 83,211,398,081.28
  5. Step 5: Solve for x
    x = 83,211,398,081.28/327,185.64
  6. Step 6: Final answer
    x = 254,324.73

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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.