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Finding the Fourth Proportional to 303,615.10, 455,422.65 and 177,643.90

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Solution

The fourth proportional to 303,615.10, 455,422.65 and 177,643.90 is: 266,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,615.10 : 455,422.65 = 177,643.90 : x
  2. Step 2: Convert to fraction form
    303,615.10/455,422.65 = 177,643.90/x
  3. Step 3: Cross multiply
    303,615.10x = 455,422.65 × 177,643.90
  4. Step 4: Simplify right side
    303,615.10x = 80,903,055,694.34
  5. Step 5: Solve for x
    x = 80,903,055,694.34/303,615.10
  6. Step 6: Final answer
    x = 266,465.85

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