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Finding the Fourth Proportional to 1,796, 2,693.92 and 497.48

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Solution

The fourth proportional to 1,796, 2,693.92 and 497.48 is: 746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796 : 2,693.92 = 497.48 : x
  2. Step 2: Convert to fraction form
    1,796/2,693.92 = 497.48/x
  3. Step 3: Cross multiply
    1,796x = 2,693.92 × 497.48
  4. Step 4: Simplify right side
    1,796x = 1,340,171.32
  5. Step 5: Solve for x
    x = 1,340,171.32/1,796
  6. Step 6: Final answer
    x = 746.20

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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.