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Finding the Fourth Proportional to 913,104.54, 1,369,843.61 and 313,987.86

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Solution

The fourth proportional to 913,104.54, 1,369,843.61 and 313,987.86 is: 471,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,104.54 : 1,369,843.61 = 313,987.86 : x
  2. Step 2: Convert to fraction form
    913,104.54/1,369,843.61 = 313,987.86/x
  3. Step 3: Cross multiply
    913,104.54x = 1,369,843.61 × 313,987.86
  4. Step 4: Simplify right side
    913,104.54x = 430,114,262,068.64
  5. Step 5: Solve for x
    x = 430,114,262,068.64/913,104.54
  6. Step 6: Final answer
    x = 471,046.02

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