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Finding the Fourth Proportional to 348,501.06, 521,431.02 and 206,422.56

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Solution

The fourth proportional to 348,501.06, 521,431.02 and 206,422.56 is: 308,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,501.06 : 521,431.02 = 206,422.56 : x
  2. Step 2: Convert to fraction form
    348,501.06/521,431.02 = 206,422.56/x
  3. Step 3: Cross multiply
    348,501.06x = 521,431.02 × 206,422.56
  4. Step 4: Simplify right side
    348,501.06x = 107,635,126,011.81
  5. Step 5: Solve for x
    x = 107,635,126,011.81/348,501.06
  6. Step 6: Final answer
    x = 308,851.65

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