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Finding the Fourth Proportional to 682,975.97, 942,508.03 and 377,052.84

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Solution

The fourth proportional to 682,975.97, 942,508.03 and 377,052.84 is: 520,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,975.97 : 942,508.03 = 377,052.84 : x
  2. Step 2: Convert to fraction form
    682,975.97/942,508.03 = 377,052.84/x
  3. Step 3: Cross multiply
    682,975.97x = 942,508.03 × 377,052.84
  4. Step 4: Simplify right side
    682,975.97x = 355,375,334,599.93
  5. Step 5: Solve for x
    x = 355,375,334,599.93/682,975.97
  6. Step 6: Final answer
    x = 520,333.58

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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.