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Finding the Fourth Proportional to 1,198.56, 1,795.04 and 922.46

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Solution

The fourth proportional to 1,198.56, 1,795.04 and 922.46 is: 1,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.56 : 1,795.04 = 922.46 : x
  2. Step 2: Convert to fraction form
    1,198.56/1,795.04 = 922.46/x
  3. Step 3: Cross multiply
    1,198.56x = 1,795.04 × 922.46
  4. Step 4: Simplify right side
    1,198.56x = 1,655,852.60
  5. Step 5: Solve for x
    x = 1,655,852.60/1,198.56
  6. Step 6: Final answer
    x = 1,381.54

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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.