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Finding the Fourth Proportional to 793.23, 1,094.39 and 461.76

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Solution

The fourth proportional to 793.23, 1,094.39 and 461.76 is: 637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.23 : 1,094.39 = 461.76 : x
  2. Step 2: Convert to fraction form
    793.23/1,094.39 = 461.76/x
  3. Step 3: Cross multiply
    793.23x = 1,094.39 × 461.76
  4. Step 4: Simplify right side
    793.23x = 505,343.22
  5. Step 5: Solve for x
    x = 505,343.22/793.23
  6. Step 6: Final answer
    x = 637.07

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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.