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Finding the Fourth Proportional to 323,958.39, 447,074.76 and 180,746.12

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Solution

The fourth proportional to 323,958.39, 447,074.76 and 180,746.12 is: 249,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,958.39 : 447,074.76 = 180,746.12 : x
  2. Step 2: Convert to fraction form
    323,958.39/447,074.76 = 180,746.12/x
  3. Step 3: Cross multiply
    323,958.39x = 447,074.76 × 180,746.12
  4. Step 4: Simplify right side
    323,958.39x = 80,807,025,984.56
  5. Step 5: Solve for x
    x = 80,807,025,984.56/323,958.39
  6. Step 6: Final answer
    x = 249,436.44

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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.