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Finding the Fourth Proportional to 896.98, 1,237.17 and 675.94

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Solution

The fourth proportional to 896.98, 1,237.17 and 675.94 is: 932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.98 : 1,237.17 = 675.94 : x
  2. Step 2: Convert to fraction form
    896.98/1,237.17 = 675.94/x
  3. Step 3: Cross multiply
    896.98x = 1,237.17 × 675.94
  4. Step 4: Simplify right side
    896.98x = 836,252.69
  5. Step 5: Solve for x
    x = 836,252.69/896.98
  6. Step 6: Final answer
    x = 932.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.