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Finding the Fourth Proportional to 562.95, 843.91 and 238.34

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Solution

The fourth proportional to 562.95, 843.91 and 238.34 is: 357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.95 : 843.91 = 238.34 : x
  2. Step 2: Convert to fraction form
    562.95/843.91 = 238.34/x
  3. Step 3: Cross multiply
    562.95x = 843.91 × 238.34
  4. Step 4: Simplify right side
    562.95x = 201,137.51
  5. Step 5: Solve for x
    x = 201,137.51/562.95
  6. Step 6: Final answer
    x = 357.29

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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.