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Finding the Fourth Proportional to 682,551.80, 941,920.37 and 376,627.93

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Solution

The fourth proportional to 682,551.80, 941,920.37 and 376,627.93 is: 519,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,551.80 : 941,920.37 = 376,627.93 : x
  2. Step 2: Convert to fraction form
    682,551.80/941,920.37 = 376,627.93/x
  3. Step 3: Cross multiply
    682,551.80x = 941,920.37 × 376,627.93
  4. Step 4: Simplify right side
    682,551.80x = 354,753,519,177.93
  5. Step 5: Solve for x
    x = 354,753,519,177.93/682,551.80
  6. Step 6: Final answer
    x = 519,745.93

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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.