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Finding the Fourth Proportional to 376,167.15, 519,110.67 and 215,025.66

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Solution

The fourth proportional to 376,167.15, 519,110.67 and 215,025.66 is: 296,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,167.15 : 519,110.67 = 215,025.66 : x
  2. Step 2: Convert to fraction form
    376,167.15/519,110.67 = 215,025.66/x
  3. Step 3: Cross multiply
    376,167.15x = 519,110.67 × 215,025.66
  4. Step 4: Simplify right side
    376,167.15x = 111,622,114,429.79
  5. Step 5: Solve for x
    x = 111,622,114,429.79/376,167.15
  6. Step 6: Final answer
    x = 296,735.41

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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.