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Finding the Fourth Proportional to 441,197.08, 661,781.57 and 262,506.76

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Solution

The fourth proportional to 441,197.08, 661,781.57 and 262,506.76 is: 393,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,197.08 : 661,781.57 = 262,506.76 : x
  2. Step 2: Convert to fraction form
    441,197.08/661,781.57 = 262,506.76/x
  3. Step 3: Cross multiply
    441,197.08x = 661,781.57 × 262,506.76
  4. Step 4: Simplify right side
    441,197.08x = 173,722,135,768.41
  5. Step 5: Solve for x
    x = 173,722,135,768.41/441,197.08
  6. Step 6: Final answer
    x = 393,751.78

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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.