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Finding the Fourth Proportional to 493,840.13, 740,754.78 and 119,863.13

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Solution

The fourth proportional to 493,840.13, 740,754.78 and 119,863.13 is: 179,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,840.13 : 740,754.78 = 119,863.13 : x
  2. Step 2: Convert to fraction form
    493,840.13/740,754.78 = 119,863.13/x
  3. Step 3: Cross multiply
    493,840.13x = 740,754.78 × 119,863.13
  4. Step 4: Simplify right side
    493,840.13x = 88,789,182,789.49
  5. Step 5: Solve for x
    x = 88,789,182,789.49/493,840.13
  6. Step 6: Final answer
    x = 179,793.38

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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.