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Finding the Fourth Proportional to 412,614.44, 618,967.92 and 370,233.96

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Solution

The fourth proportional to 412,614.44, 618,967.92 and 370,233.96 is: 555,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,614.44 : 618,967.92 = 370,233.96 : x
  2. Step 2: Convert to fraction form
    412,614.44/618,967.92 = 370,233.96/x
  3. Step 3: Cross multiply
    412,614.44x = 618,967.92 × 370,233.96
  4. Step 4: Simplify right side
    412,614.44x = 229,162,944,134.56
  5. Step 5: Solve for x
    x = 229,162,944,134.56/412,614.44
  6. Step 6: Final answer
    x = 555,392.45

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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.