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Finding the Fourth Proportional to 339,797.79, 468,933 and 186,847.65

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Solution

The fourth proportional to 339,797.79, 468,933 and 186,847.65 is: 257,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,797.79 : 468,933 = 186,847.65 : x
  2. Step 2: Convert to fraction form
    339,797.79/468,933 = 186,847.65/x
  3. Step 3: Cross multiply
    339,797.79x = 468,933 × 186,847.65
  4. Step 4: Simplify right side
    339,797.79x = 87,619,029,057.45
  5. Step 5: Solve for x
    x = 87,619,029,057.45/339,797.79
  6. Step 6: Final answer
    x = 257,856.38

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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.