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Finding the Fourth Proportional to 793.32, 1,094.74 and 461.79

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Solution

The fourth proportional to 793.32, 1,094.74 and 461.79 is: 637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.32 : 1,094.74 = 461.79 : x
  2. Step 2: Convert to fraction form
    793.32/1,094.74 = 461.79/x
  3. Step 3: Cross multiply
    793.32x = 1,094.74 × 461.79
  4. Step 4: Simplify right side
    793.32x = 505,539.98
  5. Step 5: Solve for x
    x = 505,539.98/793.32
  6. Step 6: Final answer
    x = 637.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.