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Finding the Fourth Proportional to 288,195.92, 397,708.82 and 167,366.88

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Solution

The fourth proportional to 288,195.92, 397,708.82 and 167,366.88 is: 230,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,195.92 : 397,708.82 = 167,366.88 : x
  2. Step 2: Convert to fraction form
    288,195.92/397,708.82 = 167,366.88/x
  3. Step 3: Cross multiply
    288,195.92x = 397,708.82 × 167,366.88
  4. Step 4: Simplify right side
    288,195.92x = 66,563,284,351.88
  5. Step 5: Solve for x
    x = 66,563,284,351.88/288,195.92
  6. Step 6: Final answer
    x = 230,965.39

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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.