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Finding the Fourth Proportional to 467.75, 701.94 and 211.25

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Solution

The fourth proportional to 467.75, 701.94 and 211.25 is: 317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.75 : 701.94 = 211.25 : x
  2. Step 2: Convert to fraction form
    467.75/701.94 = 211.25/x
  3. Step 3: Cross multiply
    467.75x = 701.94 × 211.25
  4. Step 4: Simplify right side
    467.75x = 148,284.83
  5. Step 5: Solve for x
    x = 148,284.83/467.75
  6. Step 6: Final answer
    x = 317.02

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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.