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Finding the Fourth Proportional to 468.93, 702.85 and 194.68

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Solution

The fourth proportional to 468.93, 702.85 and 194.68 is: 291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.93 : 702.85 = 194.68 : x
  2. Step 2: Convert to fraction form
    468.93/702.85 = 194.68/x
  3. Step 3: Cross multiply
    468.93x = 702.85 × 194.68
  4. Step 4: Simplify right side
    468.93x = 136,830.84
  5. Step 5: Solve for x
    x = 136,830.84/468.93
  6. Step 6: Final answer
    x = 291.79

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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.