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Finding the Fourth Proportional to 468.17, 702.25 and 194.19

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Solution

The fourth proportional to 468.17, 702.25 and 194.19 is: 291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.17 : 702.25 = 194.19 : x
  2. Step 2: Convert to fraction form
    468.17/702.25 = 194.19/x
  3. Step 3: Cross multiply
    468.17x = 702.25 × 194.19
  4. Step 4: Simplify right side
    468.17x = 136,369.93
  5. Step 5: Solve for x
    x = 136,369.93/468.17
  6. Step 6: Final answer
    x = 291.28

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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.