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Finding the Fourth Proportional to 413,627.60, 620,902.20 and 227,003.60

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Solution

The fourth proportional to 413,627.60, 620,902.20 and 227,003.60 is: 340,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,627.60 : 620,902.20 = 227,003.60 : x
  2. Step 2: Convert to fraction form
    413,627.60/620,902.20 = 227,003.60/x
  3. Step 3: Cross multiply
    413,627.60x = 620,902.20 × 227,003.60
  4. Step 4: Simplify right side
    413,627.60x = 140,947,034,647.92
  5. Step 5: Solve for x
    x = 140,947,034,647.92/413,627.60
  6. Step 6: Final answer
    x = 340,758.29

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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.