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Finding the Fourth Proportional to 484,617.80, 727,704.30 and 327,542.60

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Solution

The fourth proportional to 484,617.80, 727,704.30 and 327,542.60 is: 491,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,617.80 : 727,704.30 = 327,542.60 : x
  2. Step 2: Convert to fraction form
    484,617.80/727,704.30 = 327,542.60/x
  3. Step 3: Cross multiply
    484,617.80x = 727,704.30 × 327,542.60
  4. Step 4: Simplify right side
    484,617.80x = 238,354,158,453.18
  5. Step 5: Solve for x
    x = 238,354,158,453.18/484,617.80
  6. Step 6: Final answer
    x = 491,839.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.