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Finding the Fourth Proportional to 490,266.60, 735,399.90 and 224,546.10

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Solution

The fourth proportional to 490,266.60, 735,399.90 and 224,546.10 is: 336,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,266.60 : 735,399.90 = 224,546.10 : x
  2. Step 2: Convert to fraction form
    490,266.60/735,399.90 = 224,546.10/x
  3. Step 3: Cross multiply
    490,266.60x = 735,399.90 × 224,546.10
  4. Step 4: Simplify right side
    490,266.60x = 165,131,179,485.39
  5. Step 5: Solve for x
    x = 165,131,179,485.39/490,266.60
  6. Step 6: Final answer
    x = 336,819.15

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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.