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Finding the Fourth Proportional to 994.25, 1,490.67 and 466.97

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Solution

The fourth proportional to 994.25, 1,490.67 and 466.97 is: 700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.25 : 1,490.67 = 466.97 : x
  2. Step 2: Convert to fraction form
    994.25/1,490.67 = 466.97/x
  3. Step 3: Cross multiply
    994.25x = 1,490.67 × 466.97
  4. Step 4: Simplify right side
    994.25x = 696,090.72
  5. Step 5: Solve for x
    x = 696,090.72/994.25
  6. Step 6: Final answer
    x = 700.11

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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.