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Finding the Fourth Proportional to 562.18, 843.27 and 351.16

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Solution

The fourth proportional to 562.18, 843.27 and 351.16 is: 526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.18 : 843.27 = 351.16 : x
  2. Step 2: Convert to fraction form
    562.18/843.27 = 351.16/x
  3. Step 3: Cross multiply
    562.18x = 843.27 × 351.16
  4. Step 4: Simplify right side
    562.18x = 296,120.94
  5. Step 5: Solve for x
    x = 296,120.94/562.18
  6. Step 6: Final answer
    x = 526.74

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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.