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Finding the Fourth Proportional to 307,628.40, 461,010.60 and 244,556.40

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Solution

The fourth proportional to 307,628.40, 461,010.60 and 244,556.40 is: 366,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,628.40 : 461,010.60 = 244,556.40 : x
  2. Step 2: Convert to fraction form
    307,628.40/461,010.60 = 244,556.40/x
  3. Step 3: Cross multiply
    307,628.40x = 461,010.60 × 244,556.40
  4. Step 4: Simplify right side
    307,628.40x = 112,743,092,697.84
  5. Step 5: Solve for x
    x = 112,743,092,697.84/307,628.40
  6. Step 6: Final answer
    x = 366,491.17

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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.