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Finding the Fourth Proportional to 447,671.37, 671,084.94 and 222,819.24

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Solution

The fourth proportional to 447,671.37, 671,084.94 and 222,819.24 is: 334,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,671.37 : 671,084.94 = 222,819.24 : x
  2. Step 2: Convert to fraction form
    447,671.37/671,084.94 = 222,819.24/x
  3. Step 3: Cross multiply
    447,671.37x = 671,084.94 × 222,819.24
  4. Step 4: Simplify right side
    447,671.37x = 149,530,636,306.25
  5. Step 5: Solve for x
    x = 149,530,636,306.25/447,671.37
  6. Step 6: Final answer
    x = 334,018.76

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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.