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Finding the Fourth Proportional to 422,610.22, 633,922.29 and 119,011.69

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Solution

The fourth proportional to 422,610.22, 633,922.29 and 119,011.69 is: 178,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,610.22 : 633,922.29 = 119,011.69 : x
  2. Step 2: Convert to fraction form
    422,610.22/633,922.29 = 119,011.69/x
  3. Step 3: Cross multiply
    422,610.22x = 633,922.29 × 119,011.69
  4. Step 4: Simplify right side
    422,610.22x = 75,444,163,061.57
  5. Step 5: Solve for x
    x = 75,444,163,061.57/422,610.22
  6. Step 6: Final answer
    x = 178,519.50

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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.