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Finding the Fourth Proportional to 439,218.40, 659,877.36 and 281,754.40

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Solution

The fourth proportional to 439,218.40, 659,877.36 and 281,754.40 is: 423,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,218.40 : 659,877.36 = 281,754.40 : x
  2. Step 2: Convert to fraction form
    439,218.40/659,877.36 = 281,754.40/x
  3. Step 3: Cross multiply
    439,218.40x = 659,877.36 × 281,754.40
  4. Step 4: Simplify right side
    439,218.40x = 185,923,349,640.38
  5. Step 5: Solve for x
    x = 185,923,349,640.38/439,218.40
  6. Step 6: Final answer
    x = 423,305.01

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