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Finding the Fourth Proportional to 332,885.44, 459,348.90 and 189,636.94

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Solution

The fourth proportional to 332,885.44, 459,348.90 and 189,636.94 is: 261,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,885.44 : 459,348.90 = 189,636.94 : x
  2. Step 2: Convert to fraction form
    332,885.44/459,348.90 = 189,636.94/x
  3. Step 3: Cross multiply
    332,885.44x = 459,348.90 × 189,636.94
  4. Step 4: Simplify right side
    332,885.44x = 87,109,519,788.37
  5. Step 5: Solve for x
    x = 87,109,519,788.37/332,885.44
  6. Step 6: Final answer
    x = 261,680.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.