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Finding the Fourth Proportional to 490,804.40, 735,774.60 and 332,519.60

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Solution

The fourth proportional to 490,804.40, 735,774.60 and 332,519.60 is: 498,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,804.40 : 735,774.60 = 332,519.60 : x
  2. Step 2: Convert to fraction form
    490,804.40/735,774.60 = 332,519.60/x
  3. Step 3: Cross multiply
    490,804.40x = 735,774.60 × 332,519.60
  4. Step 4: Simplify right side
    490,804.40x = 244,659,475,682.16
  5. Step 5: Solve for x
    x = 244,659,475,682.16/490,804.40
  6. Step 6: Final answer
    x = 498,486.72

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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.