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Finding the Fourth Proportional to 338,958, 467,761.68 and 185,997.06

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Solution

The fourth proportional to 338,958, 467,761.68 and 185,997.06 is: 256,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,958 : 467,761.68 = 185,997.06 : x
  2. Step 2: Convert to fraction form
    338,958/467,761.68 = 185,997.06/x
  3. Step 3: Cross multiply
    338,958x = 467,761.68 × 185,997.06
  4. Step 4: Simplify right side
    338,958x = 87,002,297,260.66
  5. Step 5: Solve for x
    x = 87,002,297,260.66/338,958
  6. Step 6: Final answer
    x = 256,675.75

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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.