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Finding the Fourth Proportional to 976.84, 1,466.34 and 566.44

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Solution

The fourth proportional to 976.84, 1,466.34 and 566.44 is: 850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.84 : 1,466.34 = 566.44 : x
  2. Step 2: Convert to fraction form
    976.84/1,466.34 = 566.44/x
  3. Step 3: Cross multiply
    976.84x = 1,466.34 × 566.44
  4. Step 4: Simplify right side
    976.84x = 830,593.63
  5. Step 5: Solve for x
    x = 830,593.63/976.84
  6. Step 6: Final answer
    x = 850.29

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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.