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Finding the Fourth Proportional to 888,906.76, 1,226,682.78 and 480,999.67

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Solution

The fourth proportional to 888,906.76, 1,226,682.78 and 480,999.67 is: 663,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,906.76 : 1,226,682.78 = 480,999.67 : x
  2. Step 2: Convert to fraction form
    888,906.76/1,226,682.78 = 480,999.67/x
  3. Step 3: Cross multiply
    888,906.76x = 1,226,682.78 × 480,999.67
  4. Step 4: Simplify right side
    888,906.76x = 590,034,012,374.68
  5. Step 5: Solve for x
    x = 590,034,012,374.68/888,906.76
  6. Step 6: Final answer
    x = 663,774.92

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