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Finding the Fourth Proportional to 548,804.56, 757,353.16 and 307,087.60

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Solution

The fourth proportional to 548,804.56, 757,353.16 and 307,087.60 is: 423,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,804.56 : 757,353.16 = 307,087.60 : x
  2. Step 2: Convert to fraction form
    548,804.56/757,353.16 = 307,087.60/x
  3. Step 3: Cross multiply
    548,804.56x = 757,353.16 × 307,087.60
  4. Step 4: Simplify right side
    548,804.56x = 232,573,764,256.82
  5. Step 5: Solve for x
    x = 232,573,764,256.82/548,804.56
  6. Step 6: Final answer
    x = 423,782.49

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