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Finding the Fourth Proportional to 235,310.54, 352,956.49 and 203,617.77

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Solution

The fourth proportional to 235,310.54, 352,956.49 and 203,617.77 is: 305,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,310.54 : 352,956.49 = 203,617.77 : x
  2. Step 2: Convert to fraction form
    235,310.54/352,956.49 = 203,617.77/x
  3. Step 3: Cross multiply
    235,310.54x = 352,956.49 × 203,617.77
  4. Step 4: Simplify right side
    235,310.54x = 71,868,211,568.20
  5. Step 5: Solve for x
    x = 71,868,211,568.20/235,310.54
  6. Step 6: Final answer
    x = 305,418.59

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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.