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Finding the Fourth Proportional to 372,609.45, 558,635.94 and 119,745.68

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Solution

The fourth proportional to 372,609.45, 558,635.94 and 119,745.68 is: 179,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,609.45 : 558,635.94 = 119,745.68 : x
  2. Step 2: Convert to fraction form
    372,609.45/558,635.94 = 119,745.68/x
  3. Step 3: Cross multiply
    372,609.45x = 558,635.94 × 119,745.68
  4. Step 4: Simplify right side
    372,609.45x = 66,894,237,714.56
  5. Step 5: Solve for x
    x = 66,894,237,714.56/372,609.45
  6. Step 6: Final answer
    x = 179,529.10

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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.