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Finding the Fourth Proportional to 311,380.80, 466,087.05 and 222,807.30

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Solution

The fourth proportional to 311,380.80, 466,087.05 and 222,807.30 is: 333,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,380.80 : 466,087.05 = 222,807.30 : x
  2. Step 2: Convert to fraction form
    311,380.80/466,087.05 = 222,807.30/x
  3. Step 3: Cross multiply
    311,380.80x = 466,087.05 × 222,807.30
  4. Step 4: Simplify right side
    311,380.80x = 103,847,597,175.47
  5. Step 5: Solve for x
    x = 103,847,597,175.47/311,380.80
  6. Step 6: Final answer
    x = 333,506.75

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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.