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Finding the Fourth Proportional to 466.20, 698.94 and 192.06

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Solution

The fourth proportional to 466.20, 698.94 and 192.06 is: 287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.20 : 698.94 = 192.06 : x
  2. Step 2: Convert to fraction form
    466.20/698.94 = 192.06/x
  3. Step 3: Cross multiply
    466.20x = 698.94 × 192.06
  4. Step 4: Simplify right side
    466.20x = 134,238.42
  5. Step 5: Solve for x
    x = 134,238.42/466.20
  6. Step 6: Final answer
    x = 287.94

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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.