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Finding the Fourth Proportional to 457,685.76, 631,643.61 and 253,800.59

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Solution

The fourth proportional to 457,685.76, 631,643.61 and 253,800.59 is: 350,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,685.76 : 631,643.61 = 253,800.59 : x
  2. Step 2: Convert to fraction form
    457,685.76/631,643.61 = 253,800.59/x
  3. Step 3: Cross multiply
    457,685.76x = 631,643.61 × 253,800.59
  4. Step 4: Simplify right side
    457,685.76x = 160,311,517,729.51
  5. Step 5: Solve for x
    x = 160,311,517,729.51/457,685.76
  6. Step 6: Final answer
    x = 350,265.47

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