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Finding the Fourth Proportional to 467.94, 702.09 and 194.25

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Solution

The fourth proportional to 467.94, 702.09 and 194.25 is: 291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.94 : 702.09 = 194.25 : x
  2. Step 2: Convert to fraction form
    467.94/702.09 = 194.25/x
  3. Step 3: Cross multiply
    467.94x = 702.09 × 194.25
  4. Step 4: Simplify right side
    467.94x = 136,380.98
  5. Step 5: Solve for x
    x = 136,380.98/467.94
  6. Step 6: Final answer
    x = 291.45

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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.