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Finding the Fourth Proportional to 323,385.60, 446,304.96 and 180,168.96

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Solution

The fourth proportional to 323,385.60, 446,304.96 and 180,168.96 is: 248,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,385.60 : 446,304.96 = 180,168.96 : x
  2. Step 2: Convert to fraction form
    323,385.60/446,304.96 = 180,168.96/x
  3. Step 3: Cross multiply
    323,385.60x = 446,304.96 × 180,168.96
  4. Step 4: Simplify right side
    323,385.60x = 80,410,300,486.04
  5. Step 5: Solve for x
    x = 80,410,300,486.04/323,385.60
  6. Step 6: Final answer
    x = 248,651.46

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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.