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Finding the Fourth Proportional to 467.89, 702.16 and 193.99

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Solution

The fourth proportional to 467.89, 702.16 and 193.99 is: 291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.89 : 702.16 = 193.99 : x
  2. Step 2: Convert to fraction form
    467.89/702.16 = 193.99/x
  3. Step 3: Cross multiply
    467.89x = 702.16 × 193.99
  4. Step 4: Simplify right side
    467.89x = 136,208.51
  5. Step 5: Solve for x
    x = 136,208.51/467.89
  6. Step 6: Final answer
    x = 291.11

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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.