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Finding the Fourth Proportional to 543.27, 814.60 and 234.93

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Solution

The fourth proportional to 543.27, 814.60 and 234.93 is: 352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.27 : 814.60 = 234.93 : x
  2. Step 2: Convert to fraction form
    543.27/814.60 = 234.93/x
  3. Step 3: Cross multiply
    543.27x = 814.60 × 234.93
  4. Step 4: Simplify right side
    543.27x = 191,371.35
  5. Step 5: Solve for x
    x = 191,371.35/543.27
  6. Step 6: Final answer
    x = 352.26

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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.