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Finding the Fourth Proportional to 441,480.80, 661,760.40 and 241,493.60

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Solution

The fourth proportional to 441,480.80, 661,760.40 and 241,493.60 is: 361,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,480.80 : 661,760.40 = 241,493.60 : x
  2. Step 2: Convert to fraction form
    441,480.80/661,760.40 = 241,493.60/x
  3. Step 3: Cross multiply
    441,480.80x = 661,760.40 × 241,493.60
  4. Step 4: Simplify right side
    441,480.80x = 159,810,901,333.44
  5. Step 5: Solve for x
    x = 159,810,901,333.44/441,480.80
  6. Step 6: Final answer
    x = 361,988.34

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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.