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Finding the Fourth Proportional to 331,314.28, 496,901.64 and 106,694.80

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Solution

The fourth proportional to 331,314.28, 496,901.64 and 106,694.80 is: 160,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,314.28 : 496,901.64 = 106,694.80 : x
  2. Step 2: Convert to fraction form
    331,314.28/496,901.64 = 106,694.80/x
  3. Step 3: Cross multiply
    331,314.28x = 496,901.64 × 106,694.80
  4. Step 4: Simplify right side
    331,314.28x = 53,016,821,099.47
  5. Step 5: Solve for x
    x = 53,016,821,099.47/331,314.28
  6. Step 6: Final answer
    x = 160,019.73

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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.