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Finding the Fourth Proportional to 733.74, 1,100.01 and 368.34

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Solution

The fourth proportional to 733.74, 1,100.01 and 368.34 is: 552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.74 : 1,100.01 = 368.34 : x
  2. Step 2: Convert to fraction form
    733.74/1,100.01 = 368.34/x
  3. Step 3: Cross multiply
    733.74x = 1,100.01 × 368.34
  4. Step 4: Simplify right side
    733.74x = 405,177.68
  5. Step 5: Solve for x
    x = 405,177.68/733.74
  6. Step 6: Final answer
    x = 552.21

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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.