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Finding the Fourth Proportional to 655,958.40, 984,110.40 and 235,190.40

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Solution

The fourth proportional to 655,958.40, 984,110.40 and 235,190.40 is: 352,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,958.40 : 984,110.40 = 235,190.40 : x
  2. Step 2: Convert to fraction form
    655,958.40/984,110.40 = 235,190.40/x
  3. Step 3: Cross multiply
    655,958.40x = 984,110.40 × 235,190.40
  4. Step 4: Simplify right side
    655,958.40x = 231,453,318,620.16
  5. Step 5: Solve for x
    x = 231,453,318,620.16/655,958.40
  6. Step 6: Final answer
    x = 352,847.56

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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.