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Finding the Fourth Proportional to 793.86, 1,190.75 and 246.06

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Solution

The fourth proportional to 793.86, 1,190.75 and 246.06 is: 369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.86 : 1,190.75 = 246.06 : x
  2. Step 2: Convert to fraction form
    793.86/1,190.75 = 246.06/x
  3. Step 3: Cross multiply
    793.86x = 1,190.75 × 246.06
  4. Step 4: Simplify right side
    793.86x = 292,994.71
  5. Step 5: Solve for x
    x = 292,994.71/793.86
  6. Step 6: Final answer
    x = 369.08

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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.