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Finding the Fourth Proportional to 1,092.44, 1,507.46 and 650.45

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Solution

The fourth proportional to 1,092.44, 1,507.46 and 650.45 is: 897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.44 : 1,507.46 = 650.45 : x
  2. Step 2: Convert to fraction form
    1,092.44/1,507.46 = 650.45/x
  3. Step 3: Cross multiply
    1,092.44x = 1,507.46 × 650.45
  4. Step 4: Simplify right side
    1,092.44x = 980,516.57
  5. Step 5: Solve for x
    x = 980,516.57/1,092.44
  6. Step 6: Final answer
    x = 897.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.