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Finding the Fourth Proportional to 375.44, 562.43 and 229.23

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Solution

The fourth proportional to 375.44, 562.43 and 229.23 is: 343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.44 : 562.43 = 229.23 : x
  2. Step 2: Convert to fraction form
    375.44/562.43 = 229.23/x
  3. Step 3: Cross multiply
    375.44x = 562.43 × 229.23
  4. Step 4: Simplify right side
    375.44x = 128,926.40
  5. Step 5: Solve for x
    x = 128,926.40/375.44
  6. Step 6: Final answer
    x = 343.41

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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.