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Finding the Fourth Proportional to 1,004.44, 1,504.50 and 993.37

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Solution

The fourth proportional to 1,004.44, 1,504.50 and 993.37 is: 1,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.44 : 1,504.50 = 993.37 : x
  2. Step 2: Convert to fraction form
    1,004.44/1,504.50 = 993.37/x
  3. Step 3: Cross multiply
    1,004.44x = 1,504.50 × 993.37
  4. Step 4: Simplify right side
    1,004.44x = 1,494,525.17
  5. Step 5: Solve for x
    x = 1,494,525.17/1,004.44
  6. Step 6: Final answer
    x = 1,487.92

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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.