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Finding the Fourth Proportional to 467.31, 700.46 and 193.26

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Solution

The fourth proportional to 467.31, 700.46 and 193.26 is: 289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.31 : 700.46 = 193.26 : x
  2. Step 2: Convert to fraction form
    467.31/700.46 = 193.26/x
  3. Step 3: Cross multiply
    467.31x = 700.46 × 193.26
  4. Step 4: Simplify right side
    467.31x = 135,369.93
  5. Step 5: Solve for x
    x = 135,369.93/467.31
  6. Step 6: Final answer
    x = 289.68

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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.