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Finding the Fourth Proportional to 469.91, 704.46 and 226.10

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Solution

The fourth proportional to 469.91, 704.46 and 226.10 is: 338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.91 : 704.46 = 226.10 : x
  2. Step 2: Convert to fraction form
    469.91/704.46 = 226.10/x
  3. Step 3: Cross multiply
    469.91x = 704.46 × 226.10
  4. Step 4: Simplify right side
    469.91x = 159,281.02
  5. Step 5: Solve for x
    x = 159,281.02/469.91
  6. Step 6: Final answer
    x = 338.96

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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.