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Finding the Fourth Proportional to 323,134.44, 445,911.12 and 185,214.48

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Solution

The fourth proportional to 323,134.44, 445,911.12 and 185,214.48 is: 255,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,134.44 : 445,911.12 = 185,214.48 : x
  2. Step 2: Convert to fraction form
    323,134.44/445,911.12 = 185,214.48/x
  3. Step 3: Cross multiply
    323,134.44x = 445,911.12 × 185,214.48
  4. Step 4: Simplify right side
    323,134.44x = 82,589,196,217.02
  5. Step 5: Solve for x
    x = 82,589,196,217.02/323,134.44
  6. Step 6: Final answer
    x = 255,587.72

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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.