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Finding the Fourth Proportional to 795.42, 1,193.04 and 218.26

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Solution

The fourth proportional to 795.42, 1,193.04 and 218.26 is: 327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.42 : 1,193.04 = 218.26 : x
  2. Step 2: Convert to fraction form
    795.42/1,193.04 = 218.26/x
  3. Step 3: Cross multiply
    795.42x = 1,193.04 × 218.26
  4. Step 4: Simplify right side
    795.42x = 260,392.91
  5. Step 5: Solve for x
    x = 260,392.91/795.42
  6. Step 6: Final answer
    x = 327.37

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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.