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Finding the Fourth Proportional to 228,704.27, 315,912.83 and 175,644.88

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Solution

The fourth proportional to 228,704.27, 315,912.83 and 175,644.88 is: 242,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,704.27 : 315,912.83 = 175,644.88 : x
  2. Step 2: Convert to fraction form
    228,704.27/315,912.83 = 175,644.88/x
  3. Step 3: Cross multiply
    228,704.27x = 315,912.83 × 175,644.88
  4. Step 4: Simplify right side
    228,704.27x = 55,488,469,447.80
  5. Step 5: Solve for x
    x = 55,488,469,447.80/228,704.27
  6. Step 6: Final answer
    x = 242,621.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.