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Finding the Fourth Proportional to 479,871.60, 718,770.60 and 396,927.60

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Solution

The fourth proportional to 479,871.60, 718,770.60 and 396,927.60 is: 594,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,871.60 : 718,770.60 = 396,927.60 : x
  2. Step 2: Convert to fraction form
    479,871.60/718,770.60 = 396,927.60/x
  3. Step 3: Cross multiply
    479,871.60x = 718,770.60 × 396,927.60
  4. Step 4: Simplify right side
    479,871.60x = 285,299,889,208.56
  5. Step 5: Solve for x
    x = 285,299,889,208.56/479,871.60
  6. Step 6: Final answer
    x = 594,533.81

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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.