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Finding the Fourth Proportional to 559,489.44, 839,233.39 and 259,806.15

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Solution

The fourth proportional to 559,489.44, 839,233.39 and 259,806.15 is: 389,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,489.44 : 839,233.39 = 259,806.15 : x
  2. Step 2: Convert to fraction form
    559,489.44/839,233.39 = 259,806.15/x
  3. Step 3: Cross multiply
    559,489.44x = 839,233.39 × 259,806.15
  4. Step 4: Simplify right side
    559,489.44x = 218,037,996,007.35
  5. Step 5: Solve for x
    x = 218,037,996,007.35/559,489.44
  6. Step 6: Final answer
    x = 389,708.87

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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.