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Finding the Fourth Proportional to 444,636.40, 667,051.80 and 220,104.40

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Solution

The fourth proportional to 444,636.40, 667,051.80 and 220,104.40 is: 330,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,636.40 : 667,051.80 = 220,104.40 : x
  2. Step 2: Convert to fraction form
    444,636.40/667,051.80 = 220,104.40/x
  3. Step 3: Cross multiply
    444,636.40x = 667,051.80 × 220,104.40
  4. Step 4: Simplify right side
    444,636.40x = 146,821,036,207.92
  5. Step 5: Solve for x
    x = 146,821,036,207.92/444,636.40
  6. Step 6: Final answer
    x = 330,204.72

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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.