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Finding the Fourth Proportional to 603,993.96, 905,326.34 and 248,814.27

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Solution

The fourth proportional to 603,993.96, 905,326.34 and 248,814.27 is: 372,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,993.96 : 905,326.34 = 248,814.27 : x
  2. Step 2: Convert to fraction form
    603,993.96/905,326.34 = 248,814.27/x
  3. Step 3: Cross multiply
    603,993.96x = 905,326.34 × 248,814.27
  4. Step 4: Simplify right side
    603,993.96x = 225,258,111,154.80
  5. Step 5: Solve for x
    x = 225,258,111,154.80/603,993.96
  6. Step 6: Final answer
    x = 372,947.62

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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.