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Finding the Fourth Proportional to 288,354.08, 397,924.44 and 161,031.44

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Solution

The fourth proportional to 288,354.08, 397,924.44 and 161,031.44 is: 222,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,354.08 : 397,924.44 = 161,031.44 : x
  2. Step 2: Convert to fraction form
    288,354.08/397,924.44 = 161,031.44/x
  3. Step 3: Cross multiply
    288,354.08x = 397,924.44 × 161,031.44
  4. Step 4: Simplify right side
    288,354.08x = 64,078,345,584.39
  5. Step 5: Solve for x
    x = 64,078,345,584.39/288,354.08
  6. Step 6: Final answer
    x = 222,221.05

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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.