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Finding the Fourth Proportional to 328,380.20, 453,154.39 and 192,504.64

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Solution

The fourth proportional to 328,380.20, 453,154.39 and 192,504.64 is: 265,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,380.20 : 453,154.39 = 192,504.64 : x
  2. Step 2: Convert to fraction form
    328,380.20/453,154.39 = 192,504.64/x
  3. Step 3: Cross multiply
    328,380.20x = 453,154.39 × 192,504.64
  4. Step 4: Simplify right side
    328,380.20x = 87,234,321,097.22
  5. Step 5: Solve for x
    x = 87,234,321,097.22/328,380.20
  6. Step 6: Final answer
    x = 265,650.37

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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.