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Finding the Fourth Proportional to 270,020.44, 404,586.87 and 92,430.57

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Solution

The fourth proportional to 270,020.44, 404,586.87 and 92,430.57 is: 138,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,020.44 : 404,586.87 = 92,430.57 : x
  2. Step 2: Convert to fraction form
    270,020.44/404,586.87 = 92,430.57/x
  3. Step 3: Cross multiply
    270,020.44x = 404,586.87 × 92,430.57
  4. Step 4: Simplify right side
    270,020.44x = 37,396,195,008.62
  5. Step 5: Solve for x
    x = 37,396,195,008.62/270,020.44
  6. Step 6: Final answer
    x = 138,493.94

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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.