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Finding the Fourth Proportional to 493,268.40, 739,100.70 and 446,029.20

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Solution

The fourth proportional to 493,268.40, 739,100.70 and 446,029.20 is: 668,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,268.40 : 739,100.70 = 446,029.20 : x
  2. Step 2: Convert to fraction form
    493,268.40/739,100.70 = 446,029.20/x
  3. Step 3: Cross multiply
    493,268.40x = 739,100.70 × 446,029.20
  4. Step 4: Simplify right side
    493,268.40x = 329,660,493,940.44
  5. Step 5: Solve for x
    x = 329,660,493,940.44/493,268.40
  6. Step 6: Final answer
    x = 668,318.70

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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.