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Finding the Fourth Proportional to 793.93, 1,190.29 and 448.26

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Solution

The fourth proportional to 793.93, 1,190.29 and 448.26 is: 672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.93 : 1,190.29 = 448.26 : x
  2. Step 2: Convert to fraction form
    793.93/1,190.29 = 448.26/x
  3. Step 3: Cross multiply
    793.93x = 1,190.29 × 448.26
  4. Step 4: Simplify right side
    793.93x = 533,559.40
  5. Step 5: Solve for x
    x = 533,559.40/793.93
  6. Step 6: Final answer
    x = 672.05

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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.