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Finding the Fourth Proportional to 562.26, 843.60 and 356.60

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Solution

The fourth proportional to 562.26, 843.60 and 356.60 is: 535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.26 : 843.60 = 356.60 : x
  2. Step 2: Convert to fraction form
    562.26/843.60 = 356.60/x
  3. Step 3: Cross multiply
    562.26x = 843.60 × 356.60
  4. Step 4: Simplify right side
    562.26x = 300,827.76
  5. Step 5: Solve for x
    x = 300,827.76/562.26
  6. Step 6: Final answer
    x = 535.03

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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.