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Finding the Fourth Proportional to 433.98, 651.29 and 173.97

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Solution

The fourth proportional to 433.98, 651.29 and 173.97 is: 261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.98 : 651.29 = 173.97 : x
  2. Step 2: Convert to fraction form
    433.98/651.29 = 173.97/x
  3. Step 3: Cross multiply
    433.98x = 651.29 × 173.97
  4. Step 4: Simplify right side
    433.98x = 113,304.05
  5. Step 5: Solve for x
    x = 113,304.05/433.98
  6. Step 6: Final answer
    x = 261.08

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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.