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Finding the Fourth Proportional to 288,964.22, 398,800.62 and 166,460.85

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Solution

The fourth proportional to 288,964.22, 398,800.62 and 166,460.85 is: 229,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,964.22 : 398,800.62 = 166,460.85 : x
  2. Step 2: Convert to fraction form
    288,964.22/398,800.62 = 166,460.85/x
  3. Step 3: Cross multiply
    288,964.22x = 398,800.62 × 166,460.85
  4. Step 4: Simplify right side
    288,964.22x = 66,384,690,185.73
  5. Step 5: Solve for x
    x = 66,384,690,185.73/288,964.22
  6. Step 6: Final answer
    x = 229,733.26

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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.