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Finding the Fourth Proportional to 466.12, 698.37 and 321.94

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Solution

The fourth proportional to 466.12, 698.37 and 321.94 is: 482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.12 : 698.37 = 321.94 : x
  2. Step 2: Convert to fraction form
    466.12/698.37 = 321.94/x
  3. Step 3: Cross multiply
    466.12x = 698.37 × 321.94
  4. Step 4: Simplify right side
    466.12x = 224,833.24
  5. Step 5: Solve for x
    x = 224,833.24/466.12
  6. Step 6: Final answer
    x = 482.35

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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.