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Finding the Fourth Proportional to 233,141.10, 349,711.65 and 215,256.30

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Solution

The fourth proportional to 233,141.10, 349,711.65 and 215,256.30 is: 322,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,141.10 : 349,711.65 = 215,256.30 : x
  2. Step 2: Convert to fraction form
    233,141.10/349,711.65 = 215,256.30/x
  3. Step 3: Cross multiply
    233,141.10x = 349,711.65 × 215,256.30
  4. Step 4: Simplify right side
    233,141.10x = 75,277,635,845.90
  5. Step 5: Solve for x
    x = 75,277,635,845.90/233,141.10
  6. Step 6: Final answer
    x = 322,884.45

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