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Finding the Fourth Proportional to 466.94, 699.79 and 192.87

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Solution

The fourth proportional to 466.94, 699.79 and 192.87 is: 289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.94 : 699.79 = 192.87 : x
  2. Step 2: Convert to fraction form
    466.94/699.79 = 192.87/x
  3. Step 3: Cross multiply
    466.94x = 699.79 × 192.87
  4. Step 4: Simplify right side
    466.94x = 134,970.64
  5. Step 5: Solve for x
    x = 134,970.64/466.94
  6. Step 6: Final answer
    x = 289.06

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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.