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Finding the Fourth Proportional to 496,813.50, 685,604.25 and 270,460.62

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Solution

The fourth proportional to 496,813.50, 685,604.25 and 270,460.62 is: 373,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,813.50 : 685,604.25 = 270,460.62 : x
  2. Step 2: Convert to fraction form
    496,813.50/685,604.25 = 270,460.62/x
  3. Step 3: Cross multiply
    496,813.50x = 685,604.25 × 270,460.62
  4. Step 4: Simplify right side
    496,813.50x = 185,428,950,529.64
  5. Step 5: Solve for x
    x = 185,428,950,529.64/496,813.50
  6. Step 6: Final answer
    x = 373,236.54

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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.