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Finding the Fourth Proportional to 606,028.67, 909,310.78 and 317,771.48

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Solution

The fourth proportional to 606,028.67, 909,310.78 and 317,771.48 is: 476,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,028.67 : 909,310.78 = 317,771.48 : x
  2. Step 2: Convert to fraction form
    606,028.67/909,310.78 = 317,771.48/x
  3. Step 3: Cross multiply
    606,028.67x = 909,310.78 × 317,771.48
  4. Step 4: Simplify right side
    606,028.67x = 288,953,027,794.00
  5. Step 5: Solve for x
    x = 288,953,027,794.00/606,028.67
  6. Step 6: Final answer
    x = 476,797.62

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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.