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Finding the Fourth Proportional to 468.35, 702.61 and 194.46

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Solution

The fourth proportional to 468.35, 702.61 and 194.46 is: 291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.35 : 702.61 = 194.46 : x
  2. Step 2: Convert to fraction form
    468.35/702.61 = 194.46/x
  3. Step 3: Cross multiply
    468.35x = 702.61 × 194.46
  4. Step 4: Simplify right side
    468.35x = 136,629.54
  5. Step 5: Solve for x
    x = 136,629.54/468.35
  6. Step 6: Final answer
    x = 291.73

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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.