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Finding the Fourth Proportional to 531,687.60, 798,049.80 and 265,748.40

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Solution

The fourth proportional to 531,687.60, 798,049.80 and 265,748.40 is: 398,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,687.60 : 798,049.80 = 265,748.40 : x
  2. Step 2: Convert to fraction form
    531,687.60/798,049.80 = 265,748.40/x
  3. Step 3: Cross multiply
    531,687.60x = 798,049.80 × 265,748.40
  4. Step 4: Simplify right side
    531,687.60x = 212,080,457,470.32
  5. Step 5: Solve for x
    x = 212,080,457,470.32/531,687.60
  6. Step 6: Final answer
    x = 398,881.71

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