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Finding the Fourth Proportional to 363.08, 543.53 and 354.44

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Solution

The fourth proportional to 363.08, 543.53 and 354.44 is: 530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.08 : 543.53 = 354.44 : x
  2. Step 2: Convert to fraction form
    363.08/543.53 = 354.44/x
  3. Step 3: Cross multiply
    363.08x = 543.53 × 354.44
  4. Step 4: Simplify right side
    363.08x = 192,644.28
  5. Step 5: Solve for x
    x = 192,644.28/363.08
  6. Step 6: Final answer
    x = 530.59

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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.