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Finding the Fourth Proportional to 323,991.68, 447,099.89 and 180,748.04

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Solution

The fourth proportional to 323,991.68, 447,099.89 and 180,748.04 is: 249,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,991.68 : 447,099.89 = 180,748.04 : x
  2. Step 2: Convert to fraction form
    323,991.68/447,099.89 = 180,748.04/x
  3. Step 3: Cross multiply
    323,991.68x = 447,099.89 × 180,748.04
  4. Step 4: Simplify right side
    323,991.68x = 80,812,425,662.48
  5. Step 5: Solve for x
    x = 80,812,425,662.48/323,991.68
  6. Step 6: Final answer
    x = 249,427.48

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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.