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Finding the Fourth Proportional to 682,910.04, 942,505.02 and 381,166.68

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Solution

The fourth proportional to 682,910.04, 942,505.02 and 381,166.68 is: 526,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,910.04 : 942,505.02 = 381,166.68 : x
  2. Step 2: Convert to fraction form
    682,910.04/942,505.02 = 381,166.68/x
  3. Step 3: Cross multiply
    682,910.04x = 942,505.02 × 381,166.68
  4. Step 4: Simplify right side
    682,910.04x = 359,251,509,356.73
  5. Step 5: Solve for x
    x = 359,251,509,356.73/682,910.04
  6. Step 6: Final answer
    x = 526,059.79

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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.