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Finding the Fourth Proportional to 1,796.38, 2,694.60 and 497.86

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Solution

The fourth proportional to 1,796.38, 2,694.60 and 497.86 is: 746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.38 : 2,694.60 = 497.86 : x
  2. Step 2: Convert to fraction form
    1,796.38/2,694.60 = 497.86/x
  3. Step 3: Cross multiply
    1,796.38x = 2,694.60 × 497.86
  4. Step 4: Simplify right side
    1,796.38x = 1,341,533.56
  5. Step 5: Solve for x
    x = 1,341,533.56/1,796.38
  6. Step 6: Final answer
    x = 746.80

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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.