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Finding the Fourth Proportional to 353,476.80, 530,215.20 and 116,827.20

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Solution

The fourth proportional to 353,476.80, 530,215.20 and 116,827.20 is: 175,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,476.80 : 530,215.20 = 116,827.20 : x
  2. Step 2: Convert to fraction form
    353,476.80/530,215.20 = 116,827.20/x
  3. Step 3: Cross multiply
    353,476.80x = 530,215.20 × 116,827.20
  4. Step 4: Simplify right side
    353,476.80x = 61,943,557,213.44
  5. Step 5: Solve for x
    x = 61,943,557,213.44/353,476.80
  6. Step 6: Final answer
    x = 175,240.80

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