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Finding the Fourth Proportional to 441,247.62, 661,910.84 and 171,369.32

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Solution

The fourth proportional to 441,247.62, 661,910.84 and 171,369.32 is: 257,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,247.62 : 661,910.84 = 171,369.32 : x
  2. Step 2: Convert to fraction form
    441,247.62/661,910.84 = 171,369.32/x
  3. Step 3: Cross multiply
    441,247.62x = 661,910.84 × 171,369.32
  4. Step 4: Simplify right side
    441,247.62x = 113,431,210,750.91
  5. Step 5: Solve for x
    x = 113,431,210,750.91/441,247.62
  6. Step 6: Final answer
    x = 257,069.29

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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.