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Finding the Fourth Proportional to 467.95, 701.31 and 193.72

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Solution

The fourth proportional to 467.95, 701.31 and 193.72 is: 290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.95 : 701.31 = 193.72 : x
  2. Step 2: Convert to fraction form
    467.95/701.31 = 193.72/x
  3. Step 3: Cross multiply
    467.95x = 701.31 × 193.72
  4. Step 4: Simplify right side
    467.95x = 135,857.77
  5. Step 5: Solve for x
    x = 135,857.77/467.95
  6. Step 6: Final answer
    x = 290.33

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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.