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Finding the Fourth Proportional to 493,863.56, 740,789.93 and 119,886.56

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Solution

The fourth proportional to 493,863.56, 740,789.93 and 119,886.56 is: 179,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,863.56 : 740,789.93 = 119,886.56 : x
  2. Step 2: Convert to fraction form
    493,863.56/740,789.93 = 119,886.56/x
  3. Step 3: Cross multiply
    493,863.56x = 740,789.93 × 119,886.56
  4. Step 4: Simplify right side
    493,863.56x = 88,810,752,986.11
  5. Step 5: Solve for x
    x = 88,810,752,986.11/493,863.56
  6. Step 6: Final answer
    x = 179,828.52

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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.