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Finding the Fourth Proportional to 888,459.14, 1,332,687.63 and 289,419.32

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Solution

The fourth proportional to 888,459.14, 1,332,687.63 and 289,419.32 is: 434,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,459.14 : 1,332,687.63 = 289,419.32 : x
  2. Step 2: Convert to fraction form
    888,459.14/1,332,687.63 = 289,419.32/x
  3. Step 3: Cross multiply
    888,459.14x = 1,332,687.63 × 289,419.32
  4. Step 4: Simplify right side
    888,459.14x = 385,705,547,647.01
  5. Step 5: Solve for x
    x = 385,705,547,647.01/888,459.14
  6. Step 6: Final answer
    x = 434,128.63

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