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Finding the Fourth Proportional to 373,137.86, 514,930.41 and 211,993.17

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Solution

The fourth proportional to 373,137.86, 514,930.41 and 211,993.17 is: 292,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,137.86 : 514,930.41 = 211,993.17 : x
  2. Step 2: Convert to fraction form
    373,137.86/514,930.41 = 211,993.17/x
  3. Step 3: Cross multiply
    373,137.86x = 514,930.41 × 211,993.17
  4. Step 4: Simplify right side
    373,137.86x = 109,161,729,945.30
  5. Step 5: Solve for x
    x = 109,161,729,945.30/373,137.86
  6. Step 6: Final answer
    x = 292,550.67

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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.