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Finding the Fourth Proportional to 433,517.40, 650,301.75 and 167,279.31

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Solution

The fourth proportional to 433,517.40, 650,301.75 and 167,279.31 is: 250,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,517.40 : 650,301.75 = 167,279.31 : x
  2. Step 2: Convert to fraction form
    433,517.40/650,301.75 = 167,279.31/x
  3. Step 3: Cross multiply
    433,517.40x = 650,301.75 × 167,279.31
  4. Step 4: Simplify right side
    433,517.40x = 108,782,028,031.79
  5. Step 5: Solve for x
    x = 108,782,028,031.79/433,517.40
  6. Step 6: Final answer
    x = 250,928.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.