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Finding the Fourth Proportional to 496,563, 685,251.18 and 270,204.60

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Solution

The fourth proportional to 496,563, 685,251.18 and 270,204.60 is: 372,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,563 : 685,251.18 = 270,204.60 : x
  2. Step 2: Convert to fraction form
    496,563/685,251.18 = 270,204.60/x
  3. Step 3: Cross multiply
    496,563x = 685,251.18 × 270,204.60
  4. Step 4: Simplify right side
    496,563x = 185,158,020,991.43
  5. Step 5: Solve for x
    x = 185,158,020,991.43/496,563
  6. Step 6: Final answer
    x = 372,879.21

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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.