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Finding the Fourth Proportional to 329,840.83, 494,760.03 and 119,429.56

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Solution

The fourth proportional to 329,840.83, 494,760.03 and 119,429.56 is: 179,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,840.83 : 494,760.03 = 119,429.56 : x
  2. Step 2: Convert to fraction form
    329,840.83/494,760.03 = 119,429.56/x
  3. Step 3: Cross multiply
    329,840.83x = 494,760.03 × 119,429.56
  4. Step 4: Simplify right side
    329,840.83x = 59,088,972,688.49
  5. Step 5: Solve for x
    x = 59,088,972,688.49/329,840.83
  6. Step 6: Final answer
    x = 179,143.90

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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.