Home / 327,245.20-491,328.60-202,829.20

Finding the Fourth Proportional to 327,245.20, 491,328.60 and 202,829.20

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Solution

The fourth proportional to 327,245.20, 491,328.60 and 202,829.20 is: 304,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,245.20 : 491,328.60 = 202,829.20 : x
  2. Step 2: Convert to fraction form
    327,245.20/491,328.60 = 202,829.20/x
  3. Step 3: Cross multiply
    327,245.20x = 491,328.60 × 202,829.20
  4. Step 4: Simplify right side
    327,245.20x = 99,655,786,875.12
  5. Step 5: Solve for x
    x = 99,655,786,875.12/327,245.20
  6. Step 6: Final answer
    x = 304,529.41

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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.