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Finding the Fourth Proportional to 422,055, 633,238.02 and 222,367.32

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Solution

The fourth proportional to 422,055, 633,238.02 and 222,367.32 is: 333,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,055 : 633,238.02 = 222,367.32 : x
  2. Step 2: Convert to fraction form
    422,055/633,238.02 = 222,367.32/x
  3. Step 3: Cross multiply
    422,055x = 633,238.02 × 222,367.32
  4. Step 4: Simplify right side
    422,055x = 140,811,441,429.51
  5. Step 5: Solve for x
    x = 140,811,441,429.51/422,055
  6. Step 6: Final answer
    x = 333,632.92

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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.