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Finding the Fourth Proportional to 447,857.78, 671,553.39 and 167,144.18

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Solution

The fourth proportional to 447,857.78, 671,553.39 and 167,144.18 is: 250,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,857.78 : 671,553.39 = 167,144.18 : x
  2. Step 2: Convert to fraction form
    447,857.78/671,553.39 = 167,144.18/x
  3. Step 3: Cross multiply
    447,857.78x = 671,553.39 × 167,144.18
  4. Step 4: Simplify right side
    447,857.78x = 112,246,240,697.77
  5. Step 5: Solve for x
    x = 112,246,240,697.77/447,857.78
  6. Step 6: Final answer
    x = 250,629.21

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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.