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Finding the Fourth Proportional to 352,832.78, 486,801.97 and 199,846.67

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Solution

The fourth proportional to 352,832.78, 486,801.97 and 199,846.67 is: 275,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,832.78 : 486,801.97 = 199,846.67 : x
  2. Step 2: Convert to fraction form
    352,832.78/486,801.97 = 199,846.67/x
  3. Step 3: Cross multiply
    352,832.78x = 486,801.97 × 199,846.67
  4. Step 4: Simplify right side
    352,832.78x = 97,285,749,720.31
  5. Step 5: Solve for x
    x = 97,285,749,720.31/352,832.78
  6. Step 6: Final answer
    x = 275,727.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.