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Finding the Fourth Proportional to 892.08, 1,336.20 and 566.64

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Solution

The fourth proportional to 892.08, 1,336.20 and 566.64 is: 848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.08 : 1,336.20 = 566.64 : x
  2. Step 2: Convert to fraction form
    892.08/1,336.20 = 566.64/x
  3. Step 3: Cross multiply
    892.08x = 1,336.20 × 566.64
  4. Step 4: Simplify right side
    892.08x = 757,144.37
  5. Step 5: Solve for x
    x = 757,144.37/892.08
  6. Step 6: Final answer
    x = 848.74

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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.