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Finding the Fourth Proportional to 579,228.24, 868,958.40 and 200,162.88

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Solution

The fourth proportional to 579,228.24, 868,958.40 and 200,162.88 is: 300,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,228.24 : 868,958.40 = 200,162.88 : x
  2. Step 2: Convert to fraction form
    579,228.24/868,958.40 = 200,162.88/x
  3. Step 3: Cross multiply
    579,228.24x = 868,958.40 × 200,162.88
  4. Step 4: Simplify right side
    579,228.24x = 173,933,215,944.19
  5. Step 5: Solve for x
    x = 173,933,215,944.19/579,228.24
  6. Step 6: Final answer
    x = 300,284.42

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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.