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Finding the Fourth Proportional to 349.20, 524.16 and 241.20

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Solution

The fourth proportional to 349.20, 524.16 and 241.20 is: 362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.20 : 524.16 = 241.20 : x
  2. Step 2: Convert to fraction form
    349.20/524.16 = 241.20/x
  3. Step 3: Cross multiply
    349.20x = 524.16 × 241.20
  4. Step 4: Simplify right side
    349.20x = 126,427.39
  5. Step 5: Solve for x
    x = 126,427.39/349.20
  6. Step 6: Final answer
    x = 362.05

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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.