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Finding the Fourth Proportional to 441,436.80, 661,694.40 and 241,449.60

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Solution

The fourth proportional to 441,436.80, 661,694.40 and 241,449.60 is: 361,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,436.80 : 661,694.40 = 241,449.60 : x
  2. Step 2: Convert to fraction form
    441,436.80/661,694.40 = 241,449.60/x
  3. Step 3: Cross multiply
    441,436.80x = 661,694.40 × 241,449.60
  4. Step 4: Simplify right side
    441,436.80x = 159,765,848,202.24
  5. Step 5: Solve for x
    x = 159,765,848,202.24/441,436.80
  6. Step 6: Final answer
    x = 361,922.36

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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.