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Finding the Fourth Proportional to 637,378.20, 955,046.70 and 337,467.60

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Solution

The fourth proportional to 637,378.20, 955,046.70 and 337,467.60 is: 505,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,378.20 : 955,046.70 = 337,467.60 : x
  2. Step 2: Convert to fraction form
    637,378.20/955,046.70 = 337,467.60/x
  3. Step 3: Cross multiply
    637,378.20x = 955,046.70 × 337,467.60
  4. Step 4: Simplify right side
    637,378.20x = 322,297,317,736.92
  5. Step 5: Solve for x
    x = 322,297,317,736.92/637,378.20
  6. Step 6: Final answer
    x = 505,661.03

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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.