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Finding the Fourth Proportional to 331,298.78, 496,838.81 and 106,605.48

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Solution

The fourth proportional to 331,298.78, 496,838.81 and 106,605.48 is: 159,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,298.78 : 496,838.81 = 106,605.48 : x
  2. Step 2: Convert to fraction form
    331,298.78/496,838.81 = 106,605.48/x
  3. Step 3: Cross multiply
    331,298.78x = 496,838.81 × 106,605.48
  4. Step 4: Simplify right side
    331,298.78x = 52,965,741,952.34
  5. Step 5: Solve for x
    x = 52,965,741,952.34/331,298.78
  6. Step 6: Final answer
    x = 159,873.04

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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.