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Finding the Fourth Proportional to 404,269.20, 606,749.40 and 179,974.80

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Solution

The fourth proportional to 404,269.20, 606,749.40 and 179,974.80 is: 270,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,269.20 : 606,749.40 = 179,974.80 : x
  2. Step 2: Convert to fraction form
    404,269.20/606,749.40 = 179,974.80/x
  3. Step 3: Cross multiply
    404,269.20x = 606,749.40 × 179,974.80
  4. Step 4: Simplify right side
    404,269.20x = 109,199,601,915.12
  5. Step 5: Solve for x
    x = 109,199,601,915.12/404,269.20
  6. Step 6: Final answer
    x = 270,116.06

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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.