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Finding the Fourth Proportional to 311,079.30, 466,964.55 and 192,884.10

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Solution

The fourth proportional to 311,079.30, 466,964.55 and 192,884.10 is: 289,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,079.30 : 466,964.55 = 192,884.10 : x
  2. Step 2: Convert to fraction form
    311,079.30/466,964.55 = 192,884.10/x
  3. Step 3: Cross multiply
    311,079.30x = 466,964.55 × 192,884.10
  4. Step 4: Simplify right side
    311,079.30x = 90,070,036,958.66
  5. Step 5: Solve for x
    x = 90,070,036,958.66/311,079.30
  6. Step 6: Final answer
    x = 289,540.44

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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.