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Finding the Fourth Proportional to 488,861.70, 733,620.60 and 222,485.10

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Solution

The fourth proportional to 488,861.70, 733,620.60 and 222,485.10 is: 333,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,861.70 : 733,620.60 = 222,485.10 : x
  2. Step 2: Convert to fraction form
    488,861.70/733,620.60 = 222,485.10/x
  3. Step 3: Cross multiply
    488,861.70x = 733,620.60 × 222,485.10
  4. Step 4: Simplify right side
    488,861.70x = 163,219,652,553.06
  5. Step 5: Solve for x
    x = 163,219,652,553.06/488,861.70
  6. Step 6: Final answer
    x = 333,876.95

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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.