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Finding the Fourth Proportional to 568.32, 851.73 and 243.24

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Solution

The fourth proportional to 568.32, 851.73 and 243.24 is: 364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.32 : 851.73 = 243.24 : x
  2. Step 2: Convert to fraction form
    568.32/851.73 = 243.24/x
  3. Step 3: Cross multiply
    568.32x = 851.73 × 243.24
  4. Step 4: Simplify right side
    568.32x = 207,174.81
  5. Step 5: Solve for x
    x = 207,174.81/568.32
  6. Step 6: Final answer
    x = 364.54

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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.