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Finding the Fourth Proportional to 562.56, 844.18 and 316.29

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Solution

The fourth proportional to 562.56, 844.18 and 316.29 is: 474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.56 : 844.18 = 316.29 : x
  2. Step 2: Convert to fraction form
    562.56/844.18 = 316.29/x
  3. Step 3: Cross multiply
    562.56x = 844.18 × 316.29
  4. Step 4: Simplify right side
    562.56x = 267,005.69
  5. Step 5: Solve for x
    x = 267,005.69/562.56
  6. Step 6: Final answer
    x = 474.63

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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.