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Finding the Fourth Proportional to 467.93, 702.21 and 251.66

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Solution

The fourth proportional to 467.93, 702.21 and 251.66 is: 377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.93 : 702.21 = 251.66 : x
  2. Step 2: Convert to fraction form
    467.93/702.21 = 251.66/x
  3. Step 3: Cross multiply
    467.93x = 702.21 × 251.66
  4. Step 4: Simplify right side
    467.93x = 176,714.66
  5. Step 5: Solve for x
    x = 176,714.66/467.93
  6. Step 6: Final answer
    x = 377.66

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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.