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Finding the Fourth Proportional to 327,301.56, 451,089 and 242,271

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Solution

The fourth proportional to 327,301.56, 451,089 and 242,271 is: 333,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,301.56 : 451,089 = 242,271 : x
  2. Step 2: Convert to fraction form
    327,301.56/451,089 = 242,271/x
  3. Step 3: Cross multiply
    327,301.56x = 451,089 × 242,271
  4. Step 4: Simplify right side
    327,301.56x = 109,285,783,119
  5. Step 5: Solve for x
    x = 109,285,783,119/327,301.56
  6. Step 6: Final answer
    x = 333,899.37

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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.