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Finding the Fourth Proportional to 276,794.16, 415,191.18 and 198,062.16

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Solution

The fourth proportional to 276,794.16, 415,191.18 and 198,062.16 is: 297,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,794.16 : 415,191.18 = 198,062.16 : x
  2. Step 2: Convert to fraction form
    276,794.16/415,191.18 = 198,062.16/x
  3. Step 3: Cross multiply
    276,794.16x = 415,191.18 × 198,062.16
  4. Step 4: Simplify right side
    276,794.16x = 82,233,661,923.75
  5. Step 5: Solve for x
    x = 82,233,661,923.75/276,794.16
  6. Step 6: Final answer
    x = 297,093.20

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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.