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Finding the Fourth Proportional to 311,933.28, 468,107.56 and 169,814.42

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Solution

The fourth proportional to 311,933.28, 468,107.56 and 169,814.42 is: 254,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,933.28 : 468,107.56 = 169,814.42 : x
  2. Step 2: Convert to fraction form
    311,933.28/468,107.56 = 169,814.42/x
  3. Step 3: Cross multiply
    311,933.28x = 468,107.56 × 169,814.42
  4. Step 4: Simplify right side
    311,933.28x = 79,491,413,799.02
  5. Step 5: Solve for x
    x = 79,491,413,799.02/311,933.28
  6. Step 6: Final answer
    x = 254,834.67

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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.