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Finding the Fourth Proportional to 568.48, 852.62 and 178.44

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Solution

The fourth proportional to 568.48, 852.62 and 178.44 is: 267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.48 : 852.62 = 178.44 : x
  2. Step 2: Convert to fraction form
    568.48/852.62 = 178.44/x
  3. Step 3: Cross multiply
    568.48x = 852.62 × 178.44
  4. Step 4: Simplify right side
    568.48x = 152,141.51
  5. Step 5: Solve for x
    x = 152,141.51/568.48
  6. Step 6: Final answer
    x = 267.63

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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.