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Finding the Fourth Proportional to 484,712.80, 727,846.80 and 327,637.60

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Solution

The fourth proportional to 484,712.80, 727,846.80 and 327,637.60 is: 491,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,712.80 : 727,846.80 = 327,637.60 : x
  2. Step 2: Convert to fraction form
    484,712.80/727,846.80 = 327,637.60/x
  3. Step 3: Cross multiply
    484,712.80x = 727,846.80 × 327,637.60
  4. Step 4: Simplify right side
    484,712.80x = 238,469,978,719.68
  5. Step 5: Solve for x
    x = 238,469,978,719.68/484,712.80
  6. Step 6: Final answer
    x = 491,982.01

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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.