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Finding the Fourth Proportional to 416,338.28, 624,506.46 and 321,706.04

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Solution

The fourth proportional to 416,338.28, 624,506.46 and 321,706.04 is: 482,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,338.28 : 624,506.46 = 321,706.04 : x
  2. Step 2: Convert to fraction form
    416,338.28/624,506.46 = 321,706.04/x
  3. Step 3: Cross multiply
    416,338.28x = 624,506.46 × 321,706.04
  4. Step 4: Simplify right side
    416,338.28x = 200,907,500,201.02
  5. Step 5: Solve for x
    x = 200,907,500,201.02/416,338.28
  6. Step 6: Final answer
    x = 482,558.32

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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.