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Finding the Fourth Proportional to 288,231.20, 397,893.23 and 167,348.42

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Solution

The fourth proportional to 288,231.20, 397,893.23 and 167,348.42 is: 231,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,231.20 : 397,893.23 = 167,348.42 : x
  2. Step 2: Convert to fraction form
    288,231.20/397,893.23 = 167,348.42/x
  3. Step 3: Cross multiply
    288,231.20x = 397,893.23 × 167,348.42
  4. Step 4: Simplify right side
    288,231.20x = 66,586,803,369.20
  5. Step 5: Solve for x
    x = 66,586,803,369.20/288,231.20
  6. Step 6: Final answer
    x = 231,018.72

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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.