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Finding the Fourth Proportional to 798.44, 1,194.90 and 730.08

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Solution

The fourth proportional to 798.44, 1,194.90 and 730.08 is: 1,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.44 : 1,194.90 = 730.08 : x
  2. Step 2: Convert to fraction form
    798.44/1,194.90 = 730.08/x
  3. Step 3: Cross multiply
    798.44x = 1,194.90 × 730.08
  4. Step 4: Simplify right side
    798.44x = 872,372.59
  5. Step 5: Solve for x
    x = 872,372.59/798.44
  6. Step 6: Final answer
    x = 1,092.60

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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.