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Finding the Fourth Proportional to 323,489.48, 446,409.54 and 180,246.44

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Solution

The fourth proportional to 323,489.48, 446,409.54 and 180,246.44 is: 248,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,489.48 : 446,409.54 = 180,246.44 : x
  2. Step 2: Convert to fraction form
    323,489.48/446,409.54 = 180,246.44/x
  3. Step 3: Cross multiply
    323,489.48x = 446,409.54 × 180,246.44
  4. Step 4: Simplify right side
    323,489.48x = 80,463,730,367.04
  5. Step 5: Solve for x
    x = 80,463,730,367.04/323,489.48
  6. Step 6: Final answer
    x = 248,736.78

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1.5x scale

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.