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Finding the Fourth Proportional to 490,821.40, 735,800.10 and 332,536.60

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Solution

The fourth proportional to 490,821.40, 735,800.10 and 332,536.60 is: 498,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,821.40 : 735,800.10 = 332,536.60 : x
  2. Step 2: Convert to fraction form
    490,821.40/735,800.10 = 332,536.60/x
  3. Step 3: Cross multiply
    490,821.40x = 735,800.10 × 332,536.60
  4. Step 4: Simplify right side
    490,821.40x = 244,680,463,533.66
  5. Step 5: Solve for x
    x = 244,680,463,533.66/490,821.40
  6. Step 6: Final answer
    x = 498,512.22

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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.