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Finding the Fourth Proportional to 323,433.79, 446,339.09 and 180,198.86

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Solution

The fourth proportional to 323,433.79, 446,339.09 and 180,198.86 is: 248,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,433.79 : 446,339.09 = 180,198.86 : x
  2. Step 2: Convert to fraction form
    323,433.79/446,339.09 = 180,198.86/x
  3. Step 3: Cross multiply
    323,433.79x = 446,339.09 × 180,198.86
  4. Step 4: Simplify right side
    323,433.79x = 80,429,793,410.24
  5. Step 5: Solve for x
    x = 80,429,793,410.24/323,433.79
  6. Step 6: Final answer
    x = 248,674.68

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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.