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Finding the Fourth Proportional to 613,038.39, 919,689.93 and 186,607.56

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Solution

The fourth proportional to 613,038.39, 919,689.93 and 186,607.56 is: 279,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,038.39 : 919,689.93 = 186,607.56 : x
  2. Step 2: Convert to fraction form
    613,038.39/919,689.93 = 186,607.56/x
  3. Step 3: Cross multiply
    613,038.39x = 919,689.93 × 186,607.56
  4. Step 4: Simplify right side
    613,038.39x = 171,621,093,793.87
  5. Step 5: Solve for x
    x = 171,621,093,793.87/613,038.39
  6. Step 6: Final answer
    x = 279,951.63

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