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Finding the Fourth Proportional to 467.96, 702.18 and 262.40

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Solution

The fourth proportional to 467.96, 702.18 and 262.40 is: 393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.96 : 702.18 = 262.40 : x
  2. Step 2: Convert to fraction form
    467.96/702.18 = 262.40/x
  3. Step 3: Cross multiply
    467.96x = 702.18 × 262.40
  4. Step 4: Simplify right side
    467.96x = 184,252.03
  5. Step 5: Solve for x
    x = 184,252.03/467.96
  6. Step 6: Final answer
    x = 393.73

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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.