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Finding the Fourth Proportional to 410,819.20, 616,228.80 and 244,931.20

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Solution

The fourth proportional to 410,819.20, 616,228.80 and 244,931.20 is: 367,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,819.20 : 616,228.80 = 244,931.20 : x
  2. Step 2: Convert to fraction form
    410,819.20/616,228.80 = 244,931.20/x
  3. Step 3: Cross multiply
    410,819.20x = 616,228.80 × 244,931.20
  4. Step 4: Simplify right side
    410,819.20x = 150,933,659,458.56
  5. Step 5: Solve for x
    x = 150,933,659,458.56/410,819.20
  6. Step 6: Final answer
    x = 367,396.80

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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.