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Finding the Fourth Proportional to 469.56, 704.49 and 226.02

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Solution

The fourth proportional to 469.56, 704.49 and 226.02 is: 339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.56 : 704.49 = 226.02 : x
  2. Step 2: Convert to fraction form
    469.56/704.49 = 226.02/x
  3. Step 3: Cross multiply
    469.56x = 704.49 × 226.02
  4. Step 4: Simplify right side
    469.56x = 159,228.83
  5. Step 5: Solve for x
    x = 159,228.83/469.56
  6. Step 6: Final answer
    x = 339.10

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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.