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Finding the Fourth Proportional to 422,425.35, 633,639.33 and 106,882.20

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Solution

The fourth proportional to 422,425.35, 633,639.33 and 106,882.20 is: 160,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,425.35 : 633,639.33 = 106,882.20 : x
  2. Step 2: Convert to fraction form
    422,425.35/633,639.33 = 106,882.20/x
  3. Step 3: Cross multiply
    422,425.35x = 633,639.33 × 106,882.20
  4. Step 4: Simplify right side
    422,425.35x = 67,724,765,596.93
  5. Step 5: Solve for x
    x = 67,724,765,596.93/422,425.35
  6. Step 6: Final answer
    x = 160,323.63

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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.