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Finding the Fourth Proportional to 453,256.80, 679,885.20 and 303,957.60

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Solution

The fourth proportional to 453,256.80, 679,885.20 and 303,957.60 is: 455,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,256.80 : 679,885.20 = 303,957.60 : x
  2. Step 2: Convert to fraction form
    453,256.80/679,885.20 = 303,957.60/x
  3. Step 3: Cross multiply
    453,256.80x = 679,885.20 × 303,957.60
  4. Step 4: Simplify right side
    453,256.80x = 206,656,273,667.52
  5. Step 5: Solve for x
    x = 206,656,273,667.52/453,256.80
  6. Step 6: Final answer
    x = 455,936.40

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