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Finding the Fourth Proportional to 383,202.56, 528,819.68 and 222,150.98

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Solution

The fourth proportional to 383,202.56, 528,819.68 and 222,150.98 is: 306,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,202.56 : 528,819.68 = 222,150.98 : x
  2. Step 2: Convert to fraction form
    383,202.56/528,819.68 = 222,150.98/x
  3. Step 3: Cross multiply
    383,202.56x = 528,819.68 × 222,150.98
  4. Step 4: Simplify right side
    383,202.56x = 117,477,810,155.29
  5. Step 5: Solve for x
    x = 117,477,810,155.29/383,202.56
  6. Step 6: Final answer
    x = 306,568.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.