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Finding the Fourth Proportional to 484,831.40, 727,679.10 and 284,901.80

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Solution

The fourth proportional to 484,831.40, 727,679.10 and 284,901.80 is: 427,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,831.40 : 727,679.10 = 284,901.80 : x
  2. Step 2: Convert to fraction form
    484,831.40/727,679.10 = 284,901.80/x
  3. Step 3: Cross multiply
    484,831.40x = 727,679.10 × 284,901.80
  4. Step 4: Simplify right side
    484,831.40x = 207,317,085,412.38
  5. Step 5: Solve for x
    x = 207,317,085,412.38/484,831.40
  6. Step 6: Final answer
    x = 427,606.56

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