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Finding the Fourth Proportional to 349.56, 524.16 and 234

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Solution

The fourth proportional to 349.56, 524.16 and 234 is: 350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.56 : 524.16 = 234 : x
  2. Step 2: Convert to fraction form
    349.56/524.16 = 234/x
  3. Step 3: Cross multiply
    349.56x = 524.16 × 234
  4. Step 4: Simplify right side
    349.56x = 122,653.44
  5. Step 5: Solve for x
    x = 122,653.44/349.56
  6. Step 6: Final answer
    x = 350.88

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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.