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Finding the Fourth Proportional to 606,989.70, 837,645.95 and 335,057.77

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Solution

The fourth proportional to 606,989.70, 837,645.95 and 335,057.77 is: 462,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,989.70 : 837,645.95 = 335,057.77 : x
  2. Step 2: Convert to fraction form
    606,989.70/837,645.95 = 335,057.77/x
  3. Step 3: Cross multiply
    606,989.70x = 837,645.95 × 335,057.77
  4. Step 4: Simplify right side
    606,989.70x = 280,659,778,193.01
  5. Step 5: Solve for x
    x = 280,659,778,193.01/606,989.70
  6. Step 6: Final answer
    x = 462,379.81

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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.