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Finding the Fourth Proportional to 516,894.73, 713,210.20 and 301,993.28

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Solution

The fourth proportional to 516,894.73, 713,210.20 and 301,993.28 is: 416,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,894.73 : 713,210.20 = 301,993.28 : x
  2. Step 2: Convert to fraction form
    516,894.73/713,210.20 = 301,993.28/x
  3. Step 3: Cross multiply
    516,894.73x = 713,210.20 × 301,993.28
  4. Step 4: Simplify right side
    516,894.73x = 215,384,685,980.96
  5. Step 5: Solve for x
    x = 215,384,685,980.96/516,894.73
  6. Step 6: Final answer
    x = 416,689.66

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