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Finding the Fourth Proportional to 562.84, 844.26 and 238.30

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Solution

The fourth proportional to 562.84, 844.26 and 238.30 is: 357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.84 : 844.26 = 238.30 : x
  2. Step 2: Convert to fraction form
    562.84/844.26 = 238.30/x
  3. Step 3: Cross multiply
    562.84x = 844.26 × 238.30
  4. Step 4: Simplify right side
    562.84x = 201,187.16
  5. Step 5: Solve for x
    x = 201,187.16/562.84
  6. Step 6: Final answer
    x = 357.45

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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.