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Finding the Fourth Proportional to 568.69, 852.23 and 452.62

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Solution

The fourth proportional to 568.69, 852.23 and 452.62 is: 678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.69 : 852.23 = 452.62 : x
  2. Step 2: Convert to fraction form
    568.69/852.23 = 452.62/x
  3. Step 3: Cross multiply
    568.69x = 852.23 × 452.62
  4. Step 4: Simplify right side
    568.69x = 385,736.34
  5. Step 5: Solve for x
    x = 385,736.34/568.69
  6. Step 6: Final answer
    x = 678.29

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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.