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Finding the Fourth Proportional to 363,278.80, 544,399.80 and 267,763.60

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Solution

The fourth proportional to 363,278.80, 544,399.80 and 267,763.60 is: 401,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,278.80 : 544,399.80 = 267,763.60 : x
  2. Step 2: Convert to fraction form
    363,278.80/544,399.80 = 267,763.60/x
  3. Step 3: Cross multiply
    363,278.80x = 544,399.80 × 267,763.60
  4. Step 4: Simplify right side
    363,278.80x = 145,770,450,287.28
  5. Step 5: Solve for x
    x = 145,770,450,287.28/363,278.80
  6. Step 6: Final answer
    x = 401,263.30

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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.