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Finding the Fourth Proportional to 351,509.10, 485,080.12 and 190,360.46

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Solution

The fourth proportional to 351,509.10, 485,080.12 and 190,360.46 is: 262,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,509.10 : 485,080.12 = 190,360.46 : x
  2. Step 2: Convert to fraction form
    351,509.10/485,080.12 = 190,360.46/x
  3. Step 3: Cross multiply
    351,509.10x = 485,080.12 × 190,360.46
  4. Step 4: Simplify right side
    351,509.10x = 92,340,074,780.06
  5. Step 5: Solve for x
    x = 92,340,074,780.06/351,509.10
  6. Step 6: Final answer
    x = 262,696.11

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