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Finding the Fourth Proportional to 493,108.37, 739,695.36 and 173,221.35

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Solution

The fourth proportional to 493,108.37, 739,695.36 and 173,221.35 is: 259,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,108.37 : 739,695.36 = 173,221.35 : x
  2. Step 2: Convert to fraction form
    493,108.37/739,695.36 = 173,221.35/x
  3. Step 3: Cross multiply
    493,108.37x = 739,695.36 × 173,221.35
  4. Step 4: Simplify right side
    493,108.37x = 128,131,028,847.94
  5. Step 5: Solve for x
    x = 128,131,028,847.94/493,108.37
  6. Step 6: Final answer
    x = 259,843.55

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1.5x scale

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.