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Finding the Fourth Proportional to 412,608.42, 618,958.92 and 370,227.96

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Solution

The fourth proportional to 412,608.42, 618,958.92 and 370,227.96 is: 555,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,608.42 : 618,958.92 = 370,227.96 : x
  2. Step 2: Convert to fraction form
    412,608.42/618,958.92 = 370,227.96/x
  3. Step 3: Cross multiply
    412,608.42x = 618,958.92 × 370,227.96
  4. Step 4: Simplify right side
    412,608.42x = 229,155,898,275.40
  5. Step 5: Solve for x
    x = 229,155,898,275.40/412,608.42
  6. Step 6: Final answer
    x = 555,383.48

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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.