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Finding the Fourth Proportional to 469.66, 704.74 and 226.26

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Solution

The fourth proportional to 469.66, 704.74 and 226.26 is: 339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.66 : 704.74 = 226.26 : x
  2. Step 2: Convert to fraction form
    469.66/704.74 = 226.26/x
  3. Step 3: Cross multiply
    469.66x = 704.74 × 226.26
  4. Step 4: Simplify right side
    469.66x = 159,454.47
  5. Step 5: Solve for x
    x = 159,454.47/469.66
  6. Step 6: Final answer
    x = 339.51

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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.