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Finding the Fourth Proportional to 300,986.64, 451,807.20 and 226,320.84

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Solution

The fourth proportional to 300,986.64, 451,807.20 and 226,320.84 is: 339,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,986.64 : 451,807.20 = 226,320.84 : x
  2. Step 2: Convert to fraction form
    300,986.64/451,807.20 = 226,320.84/x
  3. Step 3: Cross multiply
    300,986.64x = 451,807.20 × 226,320.84
  4. Step 4: Simplify right side
    300,986.64x = 102,253,385,022.05
  5. Step 5: Solve for x
    x = 102,253,385,022.05/300,986.64
  6. Step 6: Final answer
    x = 339,727.32

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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.