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Finding the Fourth Proportional to 636,236.83, 954,104.14 and 257,086.09

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Solution

The fourth proportional to 636,236.83, 954,104.14 and 257,086.09 is: 385,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,236.83 : 954,104.14 = 257,086.09 : x
  2. Step 2: Convert to fraction form
    636,236.83/954,104.14 = 257,086.09/x
  3. Step 3: Cross multiply
    636,236.83x = 954,104.14 × 257,086.09
  4. Step 4: Simplify right side
    636,236.83x = 245,286,902,805.41
  5. Step 5: Solve for x
    x = 245,286,902,805.41/636,236.83
  6. Step 6: Final answer
    x = 385,527.67

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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.