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Finding the Fourth Proportional to 422,550.20, 633,866.70 and 123,033.80

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Solution

The fourth proportional to 422,550.20, 633,866.70 and 123,033.80 is: 184,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,550.20 : 633,866.70 = 123,033.80 : x
  2. Step 2: Convert to fraction form
    422,550.20/633,866.70 = 123,033.80/x
  3. Step 3: Cross multiply
    422,550.20x = 633,866.70 × 123,033.80
  4. Step 4: Simplify right side
    422,550.20x = 77,987,028,794.46
  5. Step 5: Solve for x
    x = 77,987,028,794.46/422,550.20
  6. Step 6: Final answer
    x = 184,562.75

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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.