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Finding the Fourth Proportional to 1,196.03, 1,793.02 and 455.22

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Solution

The fourth proportional to 1,196.03, 1,793.02 and 455.22 is: 682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.03 : 1,793.02 = 455.22 : x
  2. Step 2: Convert to fraction form
    1,196.03/1,793.02 = 455.22/x
  3. Step 3: Cross multiply
    1,196.03x = 1,793.02 × 455.22
  4. Step 4: Simplify right side
    1,196.03x = 816,218.56
  5. Step 5: Solve for x
    x = 816,218.56/1,196.03
  6. Step 6: Final answer
    x = 682.44

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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.