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Finding the Fourth Proportional to 410,112.20, 615,629.10 and 317,030.60

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Solution

The fourth proportional to 410,112.20, 615,629.10 and 317,030.60 is: 475,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,112.20 : 615,629.10 = 317,030.60 : x
  2. Step 2: Convert to fraction form
    410,112.20/615,629.10 = 317,030.60/x
  3. Step 3: Cross multiply
    410,112.20x = 615,629.10 × 317,030.60
  4. Step 4: Simplify right side
    410,112.20x = 195,173,262,950.46
  5. Step 5: Solve for x
    x = 195,173,262,950.46/410,112.20
  6. Step 6: Final answer
    x = 475,902.11

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