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Finding the Fourth Proportional to 469.86, 704.36 and 226.04

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Solution

The fourth proportional to 469.86, 704.36 and 226.04 is: 338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.86 : 704.36 = 226.04 : x
  2. Step 2: Convert to fraction form
    469.86/704.36 = 226.04/x
  3. Step 3: Cross multiply
    469.86x = 704.36 × 226.04
  4. Step 4: Simplify right side
    469.86x = 159,213.53
  5. Step 5: Solve for x
    x = 159,213.53/469.86
  6. Step 6: Final answer
    x = 338.85

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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.