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Finding the Fourth Proportional to 713,605.80, 1,070,552.70 and 208,165.80

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Solution

The fourth proportional to 713,605.80, 1,070,552.70 and 208,165.80 is: 312,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,605.80 : 1,070,552.70 = 208,165.80 : x
  2. Step 2: Convert to fraction form
    713,605.80/1,070,552.70 = 208,165.80/x
  3. Step 3: Cross multiply
    713,605.80x = 1,070,552.70 × 208,165.80
  4. Step 4: Simplify right side
    713,605.80x = 222,852,459,237.66
  5. Step 5: Solve for x
    x = 222,852,459,237.66/713,605.80
  6. Step 6: Final answer
    x = 312,290.71

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