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Finding the Fourth Proportional to 1,198.22, 1,795.17 and 503.65

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Solution

The fourth proportional to 1,198.22, 1,795.17 and 503.65 is: 754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.22 : 1,795.17 = 503.65 : x
  2. Step 2: Convert to fraction form
    1,198.22/1,795.17 = 503.65/x
  3. Step 3: Cross multiply
    1,198.22x = 1,795.17 × 503.65
  4. Step 4: Simplify right side
    1,198.22x = 904,137.37
  5. Step 5: Solve for x
    x = 904,137.37/1,198.22
  6. Step 6: Final answer
    x = 754.57

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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.