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Finding the Fourth Proportional to 222,418.41, 333,755.37 and 220,612.92

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Solution

The fourth proportional to 222,418.41, 333,755.37 and 220,612.92 is: 331,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,418.41 : 333,755.37 = 220,612.92 : x
  2. Step 2: Convert to fraction form
    222,418.41/333,755.37 = 220,612.92/x
  3. Step 3: Cross multiply
    222,418.41x = 333,755.37 × 220,612.92
  4. Step 4: Simplify right side
    222,418.41x = 73,630,746,741.38
  5. Step 5: Solve for x
    x = 73,630,746,741.38/222,418.41
  6. Step 6: Final answer
    x = 331,046.10

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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.