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Finding the Fourth Proportional to 1,201.89, 1,798.27 and 733.49

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Solution

The fourth proportional to 1,201.89, 1,798.27 and 733.49 is: 1,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.89 : 1,798.27 = 733.49 : x
  2. Step 2: Convert to fraction form
    1,201.89/1,798.27 = 733.49/x
  3. Step 3: Cross multiply
    1,201.89x = 1,798.27 × 733.49
  4. Step 4: Simplify right side
    1,201.89x = 1,319,000.40
  5. Step 5: Solve for x
    x = 1,319,000.40/1,201.89
  6. Step 6: Final answer
    x = 1,097.44

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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.