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Finding the Fourth Proportional to 490,835.40, 735,821.10 and 332,550.60

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Solution

The fourth proportional to 490,835.40, 735,821.10 and 332,550.60 is: 498,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,835.40 : 735,821.10 = 332,550.60 : x
  2. Step 2: Convert to fraction form
    490,835.40/735,821.10 = 332,550.60/x
  3. Step 3: Cross multiply
    490,835.40x = 735,821.10 × 332,550.60
  4. Step 4: Simplify right side
    490,835.40x = 244,697,748,297.66
  5. Step 5: Solve for x
    x = 244,697,748,297.66/490,835.40
  6. Step 6: Final answer
    x = 498,533.21

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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.