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Finding the Fourth Proportional to 327,728.93, 452,332.91 and 206,788.73

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Solution

The fourth proportional to 327,728.93, 452,332.91 and 206,788.73 is: 285,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,728.93 : 452,332.91 = 206,788.73 : x
  2. Step 2: Convert to fraction form
    327,728.93/452,332.91 = 206,788.73/x
  3. Step 3: Cross multiply
    327,728.93x = 452,332.91 × 206,788.73
  4. Step 4: Simplify right side
    327,728.93x = 93,537,344,700.50
  5. Step 5: Solve for x
    x = 93,537,344,700.50/327,728.93
  6. Step 6: Final answer
    x = 285,410.71

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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.