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Finding the Fourth Proportional to 323,903.34, 446,976.99 and 180,660.15

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Solution

The fourth proportional to 323,903.34, 446,976.99 and 180,660.15 is: 249,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,903.34 : 446,976.99 = 180,660.15 : x
  2. Step 2: Convert to fraction form
    323,903.34/446,976.99 = 180,660.15/x
  3. Step 3: Cross multiply
    323,903.34x = 446,976.99 × 180,660.15
  4. Step 4: Simplify right side
    323,903.34x = 80,750,930,059.95
  5. Step 5: Solve for x
    x = 80,750,930,059.95/323,903.34
  6. Step 6: Final answer
    x = 249,305.64

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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.