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Finding the Fourth Proportional to 303,468.20, 455,720.70 and 198,751.40

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Solution

The fourth proportional to 303,468.20, 455,720.70 and 198,751.40 is: 298,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,468.20 : 455,720.70 = 198,751.40 : x
  2. Step 2: Convert to fraction form
    303,468.20/455,720.70 = 198,751.40/x
  3. Step 3: Cross multiply
    303,468.20x = 455,720.70 × 198,751.40
  4. Step 4: Simplify right side
    303,468.20x = 90,575,127,133.98
  5. Step 5: Solve for x
    x = 90,575,127,133.98/303,468.20
  6. Step 6: Final answer
    x = 298,466.62

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