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Finding the Fourth Proportional to 518,804.26, 715,827.98 and 314,850.65

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Solution

The fourth proportional to 518,804.26, 715,827.98 and 314,850.65 is: 434,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,804.26 : 715,827.98 = 314,850.65 : x
  2. Step 2: Convert to fraction form
    518,804.26/715,827.98 = 314,850.65/x
  3. Step 3: Cross multiply
    518,804.26x = 715,827.98 × 314,850.65
  4. Step 4: Simplify right side
    518,804.26x = 225,378,901,999.17
  5. Step 5: Solve for x
    x = 225,378,901,999.17/518,804.26
  6. Step 6: Final answer
    x = 434,419.92

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