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Finding the Fourth Proportional to 422,609.22, 633,920.79 and 119,010.69

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Solution

The fourth proportional to 422,609.22, 633,920.79 and 119,010.69 is: 178,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,609.22 : 633,920.79 = 119,010.69 : x
  2. Step 2: Convert to fraction form
    422,609.22/633,920.79 = 119,010.69/x
  3. Step 3: Cross multiply
    422,609.22x = 633,920.79 × 119,010.69
  4. Step 4: Simplify right side
    422,609.22x = 75,443,350,623.25
  5. Step 5: Solve for x
    x = 75,443,350,623.25/422,609.22
  6. Step 6: Final answer
    x = 178,518.00

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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.