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Finding the Fourth Proportional to 606,989.13, 837,645.17 and 335,057.21

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Solution

The fourth proportional to 606,989.13, 837,645.17 and 335,057.21 is: 462,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.13 : 837,645.17 = 335,057.21 : x
  2. Step 2: Convert to fraction form
    606,989.13/837,645.17 = 335,057.21/x
  3. Step 3: Cross multiply
    606,989.13x = 837,645.17 × 335,057.21
  4. Step 4: Simplify right side
    606,989.13x = 280,659,049,441.95
  5. Step 5: Solve for x
    x = 280,659,049,441.95/606,989.13
  6. Step 6: Final answer
    x = 462,379.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.