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Finding the Fourth Proportional to 486,831.27, 671,829.21 and 266,073.02

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Solution

The fourth proportional to 486,831.27, 671,829.21 and 266,073.02 is: 367,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,831.27 : 671,829.21 = 266,073.02 : x
  2. Step 2: Convert to fraction form
    486,831.27/671,829.21 = 266,073.02/x
  3. Step 3: Cross multiply
    486,831.27x = 671,829.21 × 266,073.02
  4. Step 4: Simplify right side
    486,831.27x = 178,755,625,989.13
  5. Step 5: Solve for x
    x = 178,755,625,989.13/486,831.27
  6. Step 6: Final answer
    x = 367,181.89

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