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Finding the Fourth Proportional to 1,327.83, 1,832.46 and 738.55

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Solution

The fourth proportional to 1,327.83, 1,832.46 and 738.55 is: 1,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.83 : 1,832.46 = 738.55 : x
  2. Step 2: Convert to fraction form
    1,327.83/1,832.46 = 738.55/x
  3. Step 3: Cross multiply
    1,327.83x = 1,832.46 × 738.55
  4. Step 4: Simplify right side
    1,327.83x = 1,353,363.33
  5. Step 5: Solve for x
    x = 1,353,363.33/1,327.83
  6. Step 6: Final answer
    x = 1,019.23

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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.