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Finding the Fourth Proportional to 482.46, 725.13 and 226.14

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Solution

The fourth proportional to 482.46, 725.13 and 226.14 is: 339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.46 : 725.13 = 226.14 : x
  2. Step 2: Convert to fraction form
    482.46/725.13 = 226.14/x
  3. Step 3: Cross multiply
    482.46x = 725.13 × 226.14
  4. Step 4: Simplify right side
    482.46x = 163,980.90
  5. Step 5: Solve for x
    x = 163,980.90/482.46
  6. Step 6: Final answer
    x = 339.88

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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.