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Finding the Fourth Proportional to 896.54, 1,344.18 and 463.46

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Solution

The fourth proportional to 896.54, 1,344.18 and 463.46 is: 694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.54 : 1,344.18 = 463.46 : x
  2. Step 2: Convert to fraction form
    896.54/1,344.18 = 463.46/x
  3. Step 3: Cross multiply
    896.54x = 1,344.18 × 463.46
  4. Step 4: Simplify right side
    896.54x = 622,973.66
  5. Step 5: Solve for x
    x = 622,973.66/896.54
  6. Step 6: Final answer
    x = 694.86

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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.