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Finding the Fourth Proportional to 327,146.64, 490,719.21 and 102,524.19

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Solution

The fourth proportional to 327,146.64, 490,719.21 and 102,524.19 is: 153,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,146.64 : 490,719.21 = 102,524.19 : x
  2. Step 2: Convert to fraction form
    327,146.64/490,719.21 = 102,524.19/x
  3. Step 3: Cross multiply
    327,146.64x = 490,719.21 × 102,524.19
  4. Step 4: Simplify right side
    327,146.64x = 50,310,589,522.69
  5. Step 5: Solve for x
    x = 50,310,589,522.69/327,146.64
  6. Step 6: Final answer
    x = 153,786.05

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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.