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Finding the Fourth Proportional to 597.44, 896.16 and 212.56

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Solution

The fourth proportional to 597.44, 896.16 and 212.56 is: 318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.44 : 896.16 = 212.56 : x
  2. Step 2: Convert to fraction form
    597.44/896.16 = 212.56/x
  3. Step 3: Cross multiply
    597.44x = 896.16 × 212.56
  4. Step 4: Simplify right side
    597.44x = 190,487.77
  5. Step 5: Solve for x
    x = 190,487.77/597.44
  6. Step 6: Final answer
    x = 318.84

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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.