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Finding the Fourth Proportional to 304,079.45, 419,560.05 and 181,548.03

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Solution

The fourth proportional to 304,079.45, 419,560.05 and 181,548.03 is: 250,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,079.45 : 419,560.05 = 181,548.03 : x
  2. Step 2: Convert to fraction form
    304,079.45/419,560.05 = 181,548.03/x
  3. Step 3: Cross multiply
    304,079.45x = 419,560.05 × 181,548.03
  4. Step 4: Simplify right side
    304,079.45x = 76,170,302,223.92
  5. Step 5: Solve for x
    x = 76,170,302,223.92/304,079.45
  6. Step 6: Final answer
    x = 250,494.73

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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.