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Finding the Fourth Proportional to 316,497.75, 436,766.86 and 171,303.51

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Solution

The fourth proportional to 316,497.75, 436,766.86 and 171,303.51 is: 236,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,497.75 : 436,766.86 = 171,303.51 : x
  2. Step 2: Convert to fraction form
    316,497.75/436,766.86 = 171,303.51/x
  3. Step 3: Cross multiply
    316,497.75x = 436,766.86 × 171,303.51
  4. Step 4: Simplify right side
    316,497.75x = 74,819,695,619.11
  5. Step 5: Solve for x
    x = 74,819,695,619.11/316,497.75
  6. Step 6: Final answer
    x = 236,398.82

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