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Finding the Fourth Proportional to 222,408.65, 333,467.57 and 126,348.32

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Solution

The fourth proportional to 222,408.65, 333,467.57 and 126,348.32 is: 189,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.65 : 333,467.57 = 126,348.32 : x
  2. Step 2: Convert to fraction form
    222,408.65/333,467.57 = 126,348.32/x
  3. Step 3: Cross multiply
    222,408.65x = 333,467.57 × 126,348.32
  4. Step 4: Simplify right side
    222,408.65x = 42,133,064,944.90
  5. Step 5: Solve for x
    x = 42,133,064,944.90/222,408.65
  6. Step 6: Final answer
    x = 189,439.87

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1.5x scale

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.