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Finding the Fourth Proportional to 410,020.70, 615,031.05 and 188,836.70

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Solution

The fourth proportional to 410,020.70, 615,031.05 and 188,836.70 is: 283,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,020.70 : 615,031.05 = 188,836.70 : x
  2. Step 2: Convert to fraction form
    410,020.70/615,031.05 = 188,836.70/x
  3. Step 3: Cross multiply
    410,020.70x = 615,031.05 × 188,836.70
  4. Step 4: Simplify right side
    410,020.70x = 116,140,433,879.54
  5. Step 5: Solve for x
    x = 116,140,433,879.54/410,020.70
  6. Step 6: Final answer
    x = 283,255.05

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