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Finding the Fourth Proportional to 223,209.60, 311,793.60 and 223,209.60

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Solution

The fourth proportional to 223,209.60, 311,793.60 and 223,209.60 is: 311,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,209.60 : 311,793.60 = 223,209.60 : x
  2. Step 2: Convert to fraction form
    223,209.60/311,793.60 = 223,209.60/x
  3. Step 3: Cross multiply
    223,209.60x = 311,793.60 × 223,209.60
  4. Step 4: Simplify right side
    223,209.60x = 69,595,324,738.56
  5. Step 5: Solve for x
    x = 69,595,324,738.56/223,209.60
  6. Step 6: Final answer
    x = 311,793.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.