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Finding the Fourth Proportional to 649,213.20, 973,819.80 and 599,446.80

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Solution

The fourth proportional to 649,213.20, 973,819.80 and 599,446.80 is: 899,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,213.20 : 973,819.80 = 599,446.80 : x
  2. Step 2: Convert to fraction form
    649,213.20/973,819.80 = 599,446.80/x
  3. Step 3: Cross multiply
    649,213.20x = 973,819.80 × 599,446.80
  4. Step 4: Simplify right side
    649,213.20x = 583,753,162,886.64
  5. Step 5: Solve for x
    x = 583,753,162,886.64/649,213.20
  6. Step 6: Final answer
    x = 899,170.20

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Double scale
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Similar ratio
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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.