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Finding the Fourth Proportional to 326,955.04, 490,429.41 and 193,739.41

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Solution

The fourth proportional to 326,955.04, 490,429.41 and 193,739.41 is: 290,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,955.04 : 490,429.41 = 193,739.41 : x
  2. Step 2: Convert to fraction form
    326,955.04/490,429.41 = 193,739.41/x
  3. Step 3: Cross multiply
    326,955.04x = 490,429.41 × 193,739.41
  4. Step 4: Simplify right side
    326,955.04x = 95,015,504,540.05
  5. Step 5: Solve for x
    x = 95,015,504,540.05/326,955.04
  6. Step 6: Final answer
    x = 290,607.25

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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.