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Finding the Fourth Proportional to 884.01, 1,219.95 and 552.33

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Solution

The fourth proportional to 884.01, 1,219.95 and 552.33 is: 762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.01 : 1,219.95 = 552.33 : x
  2. Step 2: Convert to fraction form
    884.01/1,219.95 = 552.33/x
  3. Step 3: Cross multiply
    884.01x = 1,219.95 × 552.33
  4. Step 4: Simplify right side
    884.01x = 673,814.98
  5. Step 5: Solve for x
    x = 673,814.98/884.01
  6. Step 6: Final answer
    x = 762.23

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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.