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Finding the Fourth Proportional to 325,997.64, 489,027.61 and 101,297.73

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Solution

The fourth proportional to 325,997.64, 489,027.61 and 101,297.73 is: 151,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,997.64 : 489,027.61 = 101,297.73 : x
  2. Step 2: Convert to fraction form
    325,997.64/489,027.61 = 101,297.73/x
  3. Step 3: Cross multiply
    325,997.64x = 489,027.61 × 101,297.73
  4. Step 4: Simplify right side
    325,997.64x = 49,537,386,800.33
  5. Step 5: Solve for x
    x = 49,537,386,800.33/325,997.64
  6. Step 6: Final answer
    x = 151,956.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.