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Finding the Fourth Proportional to 350,455.57, 483,628.30 and 189,310.59

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Solution

The fourth proportional to 350,455.57, 483,628.30 and 189,310.59 is: 261,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,455.57 : 483,628.30 = 189,310.59 : x
  2. Step 2: Convert to fraction form
    350,455.57/483,628.30 = 189,310.59/x
  3. Step 3: Cross multiply
    350,455.57x = 483,628.30 × 189,310.59
  4. Step 4: Simplify right side
    350,455.57x = 91,555,958,813.70
  5. Step 5: Solve for x
    x = 91,555,958,813.70/350,455.57
  6. Step 6: Final answer
    x = 261,248.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.