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Finding the Fourth Proportional to 298,941.34, 412,305.77 and 191,521.37

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Solution

The fourth proportional to 298,941.34, 412,305.77 and 191,521.37 is: 264,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,941.34 : 412,305.77 = 191,521.37 : x
  2. Step 2: Convert to fraction form
    298,941.34/412,305.77 = 191,521.37/x
  3. Step 3: Cross multiply
    298,941.34x = 412,305.77 × 191,521.37
  4. Step 4: Simplify right side
    298,941.34x = 78,965,362,910.17
  5. Step 5: Solve for x
    x = 78,965,362,910.17/298,941.34
  6. Step 6: Final answer
    x = 264,150.03

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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.