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Finding the Fourth Proportional to 793.32, 1,094.56 and 461.70

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Solution

The fourth proportional to 793.32, 1,094.56 and 461.70 is: 637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.32 : 1,094.56 = 461.70 : x
  2. Step 2: Convert to fraction form
    793.32/1,094.56 = 461.70/x
  3. Step 3: Cross multiply
    793.32x = 1,094.56 × 461.70
  4. Step 4: Simplify right side
    793.32x = 505,359.79
  5. Step 5: Solve for x
    x = 505,359.79/793.32
  6. Step 6: Final answer
    x = 637.02

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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.