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Finding the Fourth Proportional to 326,858.46, 451,158.39 and 197,797.02

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Solution

The fourth proportional to 326,858.46, 451,158.39 and 197,797.02 is: 273,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,858.46 : 451,158.39 = 197,797.02 : x
  2. Step 2: Convert to fraction form
    326,858.46/451,158.39 = 197,797.02/x
  3. Step 3: Cross multiply
    326,858.46x = 451,158.39 × 197,797.02
  4. Step 4: Simplify right side
    326,858.46x = 89,237,785,090.00
  5. Step 5: Solve for x
    x = 89,237,785,090.00/326,858.46
  6. Step 6: Final answer
    x = 273,016.60

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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.