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Finding the Fourth Proportional to 394,587.77, 591,898.94 and 114,133.37

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Solution

The fourth proportional to 394,587.77, 591,898.94 and 114,133.37 is: 171,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,587.77 : 591,898.94 = 114,133.37 : x
  2. Step 2: Convert to fraction form
    394,587.77/591,898.94 = 114,133.37/x
  3. Step 3: Cross multiply
    394,587.77x = 591,898.94 × 114,133.37
  4. Step 4: Simplify right side
    394,587.77x = 67,555,420,150.96
  5. Step 5: Solve for x
    x = 67,555,420,150.96/394,587.77
  6. Step 6: Final answer
    x = 171,205.05

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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.