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Finding the Fourth Proportional to 325,384.29, 449,039.70 and 182,143.49

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Solution

The fourth proportional to 325,384.29, 449,039.70 and 182,143.49 is: 251,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,384.29 : 449,039.70 = 182,143.49 : x
  2. Step 2: Convert to fraction form
    325,384.29/449,039.70 = 182,143.49/x
  3. Step 3: Cross multiply
    325,384.29x = 449,039.70 × 182,143.49
  4. Step 4: Simplify right side
    325,384.29x = 81,789,655,861.35
  5. Step 5: Solve for x
    x = 81,789,655,861.35/325,384.29
  6. Step 6: Final answer
    x = 251,363.26

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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.