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Finding the Fourth Proportional to 467.94, 701.94 and 207.90

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Solution

The fourth proportional to 467.94, 701.94 and 207.90 is: 311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.94 : 701.94 = 207.90 : x
  2. Step 2: Convert to fraction form
    467.94/701.94 = 207.90/x
  3. Step 3: Cross multiply
    467.94x = 701.94 × 207.90
  4. Step 4: Simplify right side
    467.94x = 145,933.33
  5. Step 5: Solve for x
    x = 145,933.33/467.94
  6. Step 6: Final answer
    x = 311.86

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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.