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Finding the Fourth Proportional to 433.83, 650.52 and 202.59

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Solution

The fourth proportional to 433.83, 650.52 and 202.59 is: 303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.83 : 650.52 = 202.59 : x
  2. Step 2: Convert to fraction form
    433.83/650.52 = 202.59/x
  3. Step 3: Cross multiply
    433.83x = 650.52 × 202.59
  4. Step 4: Simplify right side
    433.83x = 131,788.85
  5. Step 5: Solve for x
    x = 131,788.85/433.83
  6. Step 6: Final answer
    x = 303.78

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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.