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Finding the Fourth Proportional to 222,060.40, 311,584.40 and 222,060.40

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Solution

The fourth proportional to 222,060.40, 311,584.40 and 222,060.40 is: 311,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,060.40 : 311,584.40 = 222,060.40 : x
  2. Step 2: Convert to fraction form
    222,060.40/311,584.40 = 222,060.40/x
  3. Step 3: Cross multiply
    222,060.40x = 311,584.40 × 222,060.40
  4. Step 4: Simplify right side
    222,060.40x = 69,190,556,497.76
  5. Step 5: Solve for x
    x = 69,190,556,497.76/222,060.40
  6. Step 6: Final answer
    x = 311,584.40

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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.