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Finding the Fourth Proportional to 379,508.84, 569,361.84 and 113,269.34

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Solution

The fourth proportional to 379,508.84, 569,361.84 and 113,269.34 is: 169,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,508.84 : 569,361.84 = 113,269.34 : x
  2. Step 2: Convert to fraction form
    379,508.84/569,361.84 = 113,269.34/x
  3. Step 3: Cross multiply
    379,508.84x = 569,361.84 × 113,269.34
  4. Step 4: Simplify right side
    379,508.84x = 64,491,239,837.99
  5. Step 5: Solve for x
    x = 64,491,239,837.99/379,508.84
  6. Step 6: Final answer
    x = 169,933.43

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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.