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Finding the Fourth Proportional to 468.92, 699.67 and 466.20

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Solution

The fourth proportional to 468.92, 699.67 and 466.20 is: 695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.92 : 699.67 = 466.20 : x
  2. Step 2: Convert to fraction form
    468.92/699.67 = 466.20/x
  3. Step 3: Cross multiply
    468.92x = 699.67 × 466.20
  4. Step 4: Simplify right side
    468.92x = 326,186.15
  5. Step 5: Solve for x
    x = 326,186.15/468.92
  6. Step 6: Final answer
    x = 695.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.