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Finding the Fourth Proportional to 793.72, 1,190.64 and 703.24

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Solution

The fourth proportional to 793.72, 1,190.64 and 703.24 is: 1,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.72 : 1,190.64 = 703.24 : x
  2. Step 2: Convert to fraction form
    793.72/1,190.64 = 703.24/x
  3. Step 3: Cross multiply
    793.72x = 1,190.64 × 703.24
  4. Step 4: Simplify right side
    793.72x = 837,305.67
  5. Step 5: Solve for x
    x = 837,305.67/793.72
  6. Step 6: Final answer
    x = 1,054.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.