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Finding the Fourth Proportional to 603,542.72, 905,424.48 and 198,757.92

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Solution

The fourth proportional to 603,542.72, 905,424.48 and 198,757.92 is: 298,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,542.72 : 905,424.48 = 198,757.92 : x
  2. Step 2: Convert to fraction form
    603,542.72/905,424.48 = 198,757.92/x
  3. Step 3: Cross multiply
    603,542.72x = 905,424.48 × 198,757.92
  4. Step 4: Simplify right side
    603,542.72x = 179,960,286,361.88
  5. Step 5: Solve for x
    x = 179,960,286,361.88/603,542.72
  6. Step 6: Final answer
    x = 298,173.24

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1.5x scale

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.