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Finding the Fourth Proportional to 410,838.80, 616,315.80 and 161,462.80

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Solution

The fourth proportional to 410,838.80, 616,315.80 and 161,462.80 is: 242,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,838.80 : 616,315.80 = 161,462.80 : x
  2. Step 2: Convert to fraction form
    410,838.80/616,315.80 = 161,462.80/x
  3. Step 3: Cross multiply
    410,838.80x = 616,315.80 × 161,462.80
  4. Step 4: Simplify right side
    410,838.80x = 99,512,074,752.24
  5. Step 5: Solve for x
    x = 99,512,074,752.24/410,838.80
  6. Step 6: Final answer
    x = 242,216.84

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