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Finding the Fourth Proportional to 1,198.48, 1,797.20 and 467.64

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Solution

The fourth proportional to 1,198.48, 1,797.20 and 467.64 is: 701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.48 : 1,797.20 = 467.64 : x
  2. Step 2: Convert to fraction form
    1,198.48/1,797.20 = 467.64/x
  3. Step 3: Cross multiply
    1,198.48x = 1,797.20 × 467.64
  4. Step 4: Simplify right side
    1,198.48x = 840,442.61
  5. Step 5: Solve for x
    x = 840,442.61/1,198.48
  6. Step 6: Final answer
    x = 701.26

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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.