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Finding the Fourth Proportional to 606,989.38, 837,645.51 and 335,057.45

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Solution

The fourth proportional to 606,989.38, 837,645.51 and 335,057.45 is: 462,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.38 : 837,645.51 = 335,057.45 : x
  2. Step 2: Convert to fraction form
    606,989.38/837,645.51 = 335,057.45/x
  3. Step 3: Cross multiply
    606,989.38x = 837,645.51 × 335,057.45
  4. Step 4: Simplify right side
    606,989.38x = 280,659,371,935.13
  5. Step 5: Solve for x
    x = 280,659,371,935.13/606,989.38
  6. Step 6: Final answer
    x = 462,379.38

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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.