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Finding the Fourth Proportional to 279,548.40, 419,322.60 and 244,556.40

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Solution

The fourth proportional to 279,548.40, 419,322.60 and 244,556.40 is: 366,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,548.40 : 419,322.60 = 244,556.40 : x
  2. Step 2: Convert to fraction form
    279,548.40/419,322.60 = 244,556.40/x
  3. Step 3: Cross multiply
    279,548.40x = 419,322.60 × 244,556.40
  4. Step 4: Simplify right side
    279,548.40x = 102,548,025,494.64
  5. Step 5: Solve for x
    x = 102,548,025,494.64/279,548.40
  6. Step 6: Final answer
    x = 366,834.60

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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.