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Finding the Fourth Proportional to 307.62, 460.04 and 225.63

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Solution

The fourth proportional to 307.62, 460.04 and 225.63 is: 337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.62 : 460.04 = 225.63 : x
  2. Step 2: Convert to fraction form
    307.62/460.04 = 225.63/x
  3. Step 3: Cross multiply
    307.62x = 460.04 × 225.63
  4. Step 4: Simplify right side
    307.62x = 103,797.70
  5. Step 5: Solve for x
    x = 103,797.70/307.62
  6. Step 6: Final answer
    x = 337.42

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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.