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Finding the Fourth Proportional to 568.63, 852.45 and 351.73

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Solution

The fourth proportional to 568.63, 852.45 and 351.73 is: 527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.63 : 852.45 = 351.73 : x
  2. Step 2: Convert to fraction form
    568.63/852.45 = 351.73/x
  3. Step 3: Cross multiply
    568.63x = 852.45 × 351.73
  4. Step 4: Simplify right side
    568.63x = 299,832.24
  5. Step 5: Solve for x
    x = 299,832.24/568.63
  6. Step 6: Final answer
    x = 527.29

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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.