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Finding the Fourth Proportional to 327,992.16, 492,143.76 and 195,134.88

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Solution

The fourth proportional to 327,992.16, 492,143.76 and 195,134.88 is: 292,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,992.16 : 492,143.76 = 195,134.88 : x
  2. Step 2: Convert to fraction form
    327,992.16/492,143.76 = 195,134.88/x
  3. Step 3: Cross multiply
    327,992.16x = 492,143.76 × 195,134.88
  4. Step 4: Simplify right side
    327,992.16x = 96,034,413,550.35
  5. Step 5: Solve for x
    x = 96,034,413,550.35/327,992.16
  6. Step 6: Final answer
    x = 292,794.84

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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.