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Finding the Fourth Proportional to 994.84, 1,492.44 and 673.36

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Solution

The fourth proportional to 994.84, 1,492.44 and 673.36 is: 1,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.84 : 1,492.44 = 673.36 : x
  2. Step 2: Convert to fraction form
    994.84/1,492.44 = 673.36/x
  3. Step 3: Cross multiply
    994.84x = 1,492.44 × 673.36
  4. Step 4: Simplify right side
    994.84x = 1,004,949.40
  5. Step 5: Solve for x
    x = 1,004,949.40/994.84
  6. Step 6: Final answer
    x = 1,010.16

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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.