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Finding the Fourth Proportional to 496,558.50, 685,250.73 and 270,205.62

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Solution

The fourth proportional to 496,558.50, 685,250.73 and 270,205.62 is: 372,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,558.50 : 685,250.73 = 270,205.62 : x
  2. Step 2: Convert to fraction form
    496,558.50/685,250.73 = 270,205.62/x
  3. Step 3: Cross multiply
    496,558.50x = 685,250.73 × 270,205.62
  4. Step 4: Simplify right side
    496,558.50x = 185,158,598,355.10
  5. Step 5: Solve for x
    x = 185,158,598,355.10/496,558.50
  6. Step 6: Final answer
    x = 372,883.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.