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Finding the Fourth Proportional to 468.67, 702.67 and 263.11

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Solution

The fourth proportional to 468.67, 702.67 and 263.11 is: 394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.67 : 702.67 = 263.11 : x
  2. Step 2: Convert to fraction form
    468.67/702.67 = 263.11/x
  3. Step 3: Cross multiply
    468.67x = 702.67 × 263.11
  4. Step 4: Simplify right side
    468.67x = 184,879.50
  5. Step 5: Solve for x
    x = 184,879.50/468.67
  6. Step 6: Final answer
    x = 394.48

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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.