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Finding the Fourth Proportional to 444,696.40, 667,141.80 and 220,164.40

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Solution

The fourth proportional to 444,696.40, 667,141.80 and 220,164.40 is: 330,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,696.40 : 667,141.80 = 220,164.40 : x
  2. Step 2: Convert to fraction form
    444,696.40/667,141.80 = 220,164.40/x
  3. Step 3: Cross multiply
    444,696.40x = 667,141.80 × 220,164.40
  4. Step 4: Simplify right side
    444,696.40x = 146,880,874,111.92
  5. Step 5: Solve for x
    x = 146,880,874,111.92/444,696.40
  6. Step 6: Final answer
    x = 330,294.72

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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.