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Finding the Fourth Proportional to 222,065.40, 311,591.40 and 222,065.40

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Solution

The fourth proportional to 222,065.40, 311,591.40 and 222,065.40 is: 311,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,065.40 : 311,591.40 = 222,065.40 : x
  2. Step 2: Convert to fraction form
    222,065.40/311,591.40 = 222,065.40/x
  3. Step 3: Cross multiply
    222,065.40x = 311,591.40 × 222,065.40
  4. Step 4: Simplify right side
    222,065.40x = 69,193,668,877.56
  5. Step 5: Solve for x
    x = 69,193,668,877.56/222,065.40
  6. Step 6: Final answer
    x = 311,591.40

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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.