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Finding the Fourth Proportional to 997.98, 1,496.07 and 738.06

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Solution

The fourth proportional to 997.98, 1,496.07 and 738.06 is: 1,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.98 : 1,496.07 = 738.06 : x
  2. Step 2: Convert to fraction form
    997.98/1,496.07 = 738.06/x
  3. Step 3: Cross multiply
    997.98x = 1,496.07 × 738.06
  4. Step 4: Simplify right side
    997.98x = 1,104,189.42
  5. Step 5: Solve for x
    x = 1,104,189.42/997.98
  6. Step 6: Final answer
    x = 1,106.42

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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.