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Finding the Fourth Proportional to 606,989.14, 837,645.17 and 335,057.20

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Solution

The fourth proportional to 606,989.14, 837,645.17 and 335,057.20 is: 462,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.14 : 837,645.17 = 335,057.20 : x
  2. Step 2: Convert to fraction form
    606,989.14/837,645.17 = 335,057.20/x
  3. Step 3: Cross multiply
    606,989.14x = 837,645.17 × 335,057.20
  4. Step 4: Simplify right side
    606,989.14x = 280,659,045,253.72
  5. Step 5: Solve for x
    x = 280,659,045,253.72/606,989.14
  6. Step 6: Final answer
    x = 462,379.02

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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.