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Finding the Fourth Proportional to 603,574.22, 905,786.73 and 283,740.66

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Solution

The fourth proportional to 603,574.22, 905,786.73 and 283,740.66 is: 425,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,574.22 : 905,786.73 = 283,740.66 : x
  2. Step 2: Convert to fraction form
    603,574.22/905,786.73 = 283,740.66/x
  3. Step 3: Cross multiply
    603,574.22x = 905,786.73 × 283,740.66
  4. Step 4: Simplify right side
    603,574.22x = 257,008,524,589.44
  5. Step 5: Solve for x
    x = 257,008,524,589.44/603,574.22
  6. Step 6: Final answer
    x = 425,810.97

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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.