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Finding the Fourth Proportional to 490,198.60, 735,297.90 and 365,782.60

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Solution

The fourth proportional to 490,198.60, 735,297.90 and 365,782.60 is: 548,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,198.60 : 735,297.90 = 365,782.60 : x
  2. Step 2: Convert to fraction form
    490,198.60/735,297.90 = 365,782.60/x
  3. Step 3: Cross multiply
    490,198.60x = 735,297.90 × 365,782.60
  4. Step 4: Simplify right side
    490,198.60x = 268,959,177,636.54
  5. Step 5: Solve for x
    x = 268,959,177,636.54/490,198.60
  6. Step 6: Final answer
    x = 548,673.90

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1.5x scale

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.