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Finding the Fourth Proportional to 696.03, 1,044.17 and 325.54

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Solution

The fourth proportional to 696.03, 1,044.17 and 325.54 is: 488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.03 : 1,044.17 = 325.54 : x
  2. Step 2: Convert to fraction form
    696.03/1,044.17 = 325.54/x
  3. Step 3: Cross multiply
    696.03x = 1,044.17 × 325.54
  4. Step 4: Simplify right side
    696.03x = 339,919.10
  5. Step 5: Solve for x
    x = 339,919.10/696.03
  6. Step 6: Final answer
    x = 488.37

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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.