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Finding the Fourth Proportional to 682,414.74, 941,735.52 and 376,494.84

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Solution

The fourth proportional to 682,414.74, 941,735.52 and 376,494.84 is: 519,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,414.74 : 941,735.52 = 376,494.84 : x
  2. Step 2: Convert to fraction form
    682,414.74/941,735.52 = 376,494.84/x
  3. Step 3: Cross multiply
    682,414.74x = 941,735.52 × 376,494.84
  4. Step 4: Simplify right side
    682,414.74x = 354,558,563,924.72
  5. Step 5: Solve for x
    x = 354,558,563,924.72/682,414.74
  6. Step 6: Final answer
    x = 519,564.63

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1.5x scale

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.