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Finding the Fourth Proportional to 410,564.31, 615,978.46 and 197,347.70

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Solution

The fourth proportional to 410,564.31, 615,978.46 and 197,347.70 is: 296,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,564.31 : 615,978.46 = 197,347.70 : x
  2. Step 2: Convert to fraction form
    410,564.31/615,978.46 = 197,347.70/x
  3. Step 3: Cross multiply
    410,564.31x = 615,978.46 × 197,347.70
  4. Step 4: Simplify right side
    410,564.31x = 121,561,934,705.87
  5. Step 5: Solve for x
    x = 121,561,934,705.87/410,564.31
  6. Step 6: Final answer
    x = 296,085.00

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