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Finding the Fourth Proportional to 446,199.30, 668,132.55 and 287,568.90

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Solution

The fourth proportional to 446,199.30, 668,132.55 and 287,568.90 is: 430,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,199.30 : 668,132.55 = 287,568.90 : x
  2. Step 2: Convert to fraction form
    446,199.30/668,132.55 = 287,568.90/x
  3. Step 3: Cross multiply
    446,199.30x = 668,132.55 × 287,568.90
  4. Step 4: Simplify right side
    446,199.30x = 192,134,142,457.70
  5. Step 5: Solve for x
    x = 192,134,142,457.70/446,199.30
  6. Step 6: Final answer
    x = 430,601.62

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