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Finding the Fourth Proportional to 488,736.99, 674,456.04 and 297,750.33

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Solution

The fourth proportional to 488,736.99, 674,456.04 and 297,750.33 is: 410,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,736.99 : 674,456.04 = 297,750.33 : x
  2. Step 2: Convert to fraction form
    488,736.99/674,456.04 = 297,750.33/x
  3. Step 3: Cross multiply
    488,736.99x = 674,456.04 × 297,750.33
  4. Step 4: Simplify right side
    488,736.99x = 200,819,508,480.49
  5. Step 5: Solve for x
    x = 200,819,508,480.49/488,736.99
  6. Step 6: Final answer
    x = 410,894.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.