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Finding the Fourth Proportional to 496,464.74, 685,138.41 and 270,118.82

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Solution

The fourth proportional to 496,464.74, 685,138.41 and 270,118.82 is: 372,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,464.74 : 685,138.41 = 270,118.82 : x
  2. Step 2: Convert to fraction form
    496,464.74/685,138.41 = 270,118.82/x
  3. Step 3: Cross multiply
    496,464.74x = 685,138.41 × 270,118.82
  4. Step 4: Simplify right side
    496,464.74x = 185,068,778,845.88
  5. Step 5: Solve for x
    x = 185,068,778,845.88/496,464.74
  6. Step 6: Final answer
    x = 372,773.26

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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.