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Finding the Fourth Proportional to 892.31, 1,336.60 and 566.06

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Solution

The fourth proportional to 892.31, 1,336.60 and 566.06 is: 847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.31 : 1,336.60 = 566.06 : x
  2. Step 2: Convert to fraction form
    892.31/1,336.60 = 566.06/x
  3. Step 3: Cross multiply
    892.31x = 1,336.60 × 566.06
  4. Step 4: Simplify right side
    892.31x = 756,594.38
  5. Step 5: Solve for x
    x = 756,594.38/892.31
  6. Step 6: Final answer
    x = 847.91

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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.