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Finding the Fourth Proportional to 326,879.28, 451,082.97 and 181,684.35

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Solution

The fourth proportional to 326,879.28, 451,082.97 and 181,684.35 is: 250,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,879.28 : 451,082.97 = 181,684.35 : x
  2. Step 2: Convert to fraction form
    326,879.28/451,082.97 = 181,684.35/x
  3. Step 3: Cross multiply
    326,879.28x = 451,082.97 × 181,684.35
  4. Step 4: Simplify right side
    326,879.28x = 81,954,716,200.52
  5. Step 5: Solve for x
    x = 81,954,716,200.52/326,879.28
  6. Step 6: Final answer
    x = 250,718.60

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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.