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Finding the Fourth Proportional to 222,403.10, 333,604.65 and 214,529.90

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Solution

The fourth proportional to 222,403.10, 333,604.65 and 214,529.90 is: 321,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,403.10 : 333,604.65 = 214,529.90 : x
  2. Step 2: Convert to fraction form
    222,403.10/333,604.65 = 214,529.90/x
  3. Step 3: Cross multiply
    222,403.10x = 333,604.65 × 214,529.90
  4. Step 4: Simplify right side
    222,403.10x = 71,568,172,204.04
  5. Step 5: Solve for x
    x = 71,568,172,204.04/222,403.10
  6. Step 6: Final answer
    x = 321,794.85

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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.