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Finding the Fourth Proportional to 469.96, 704.79 and 226.33

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Solution

The fourth proportional to 469.96, 704.79 and 226.33 is: 339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.96 : 704.79 = 226.33 : x
  2. Step 2: Convert to fraction form
    469.96/704.79 = 226.33/x
  3. Step 3: Cross multiply
    469.96x = 704.79 × 226.33
  4. Step 4: Simplify right side
    469.96x = 159,515.12
  5. Step 5: Solve for x
    x = 159,515.12/469.96
  6. Step 6: Final answer
    x = 339.42

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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.