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Finding the Fourth Proportional to 395,993.96, 594,050.20 and 143,333.56

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Solution

The fourth proportional to 395,993.96, 594,050.20 and 143,333.56 is: 215,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,993.96 : 594,050.20 = 143,333.56 : x
  2. Step 2: Convert to fraction form
    395,993.96/594,050.20 = 143,333.56/x
  3. Step 3: Cross multiply
    395,993.96x = 594,050.20 × 143,333.56
  4. Step 4: Simplify right side
    395,993.96x = 85,147,329,984.71
  5. Step 5: Solve for x
    x = 85,147,329,984.71/395,993.96
  6. Step 6: Final answer
    x = 215,021.79

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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.