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Finding the Fourth Proportional to 893.04, 1,232.28 and 683.46

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Solution

The fourth proportional to 893.04, 1,232.28 and 683.46 is: 943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.04 : 1,232.28 = 683.46 : x
  2. Step 2: Convert to fraction form
    893.04/1,232.28 = 683.46/x
  3. Step 3: Cross multiply
    893.04x = 1,232.28 × 683.46
  4. Step 4: Simplify right side
    893.04x = 842,214.09
  5. Step 5: Solve for x
    x = 842,214.09/893.04
  6. Step 6: Final answer
    x = 943.09

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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.