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Finding the Fourth Proportional to 376,167.26, 519,110.80 and 215,025.77

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Solution

The fourth proportional to 376,167.26, 519,110.80 and 215,025.77 is: 296,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,167.26 : 519,110.80 = 215,025.77 : x
  2. Step 2: Convert to fraction form
    376,167.26/519,110.80 = 215,025.77/x
  3. Step 3: Cross multiply
    376,167.26x = 519,110.80 × 215,025.77
  4. Step 4: Simplify right side
    376,167.26x = 111,622,200,245.53
  5. Step 5: Solve for x
    x = 111,622,200,245.53/376,167.26
  6. Step 6: Final answer
    x = 296,735.55

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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.