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Finding the Fourth Proportional to 493,690.56, 740,538.24 and 119,713.44

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Solution

The fourth proportional to 493,690.56, 740,538.24 and 119,713.44 is: 179,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,690.56 : 740,538.24 = 119,713.44 : x
  2. Step 2: Convert to fraction form
    493,690.56/740,538.24 = 119,713.44/x
  3. Step 3: Cross multiply
    493,690.56x = 740,538.24 × 119,713.44
  4. Step 4: Simplify right side
    493,690.56x = 88,652,380,161.95
  5. Step 5: Solve for x
    x = 88,652,380,161.95/493,690.56
  6. Step 6: Final answer
    x = 179,570.74

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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.