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Finding the Fourth Proportional to 444,677.40, 667,113.30 and 220,145.40

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Solution

The fourth proportional to 444,677.40, 667,113.30 and 220,145.40 is: 330,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,677.40 : 667,113.30 = 220,145.40 : x
  2. Step 2: Convert to fraction form
    444,677.40/667,113.30 = 220,145.40/x
  3. Step 3: Cross multiply
    444,677.40x = 667,113.30 × 220,145.40
  4. Step 4: Simplify right side
    444,677.40x = 146,861,924,273.82
  5. Step 5: Solve for x
    x = 146,861,924,273.82/444,677.40
  6. Step 6: Final answer
    x = 330,266.22

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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.