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Finding the Fourth Proportional to 433.98, 651.09 and 160.26

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Solution

The fourth proportional to 433.98, 651.09 and 160.26 is: 240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.98 : 651.09 = 160.26 : x
  2. Step 2: Convert to fraction form
    433.98/651.09 = 160.26/x
  3. Step 3: Cross multiply
    433.98x = 651.09 × 160.26
  4. Step 4: Simplify right side
    433.98x = 104,343.68
  5. Step 5: Solve for x
    x = 104,343.68/433.98
  6. Step 6: Final answer
    x = 240.43

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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.