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Finding the Fourth Proportional to 352,861.44, 486,932.92 and 199,896.51

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Solution

The fourth proportional to 352,861.44, 486,932.92 and 199,896.51 is: 275,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,861.44 : 486,932.92 = 199,896.51 : x
  2. Step 2: Convert to fraction form
    352,861.44/486,932.92 = 199,896.51/x
  3. Step 3: Cross multiply
    352,861.44x = 486,932.92 × 199,896.51
  4. Step 4: Simplify right side
    352,861.44x = 97,336,193,317.25
  5. Step 5: Solve for x
    x = 97,336,193,317.25/352,861.44
  6. Step 6: Final answer
    x = 275,848.20

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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.