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Finding the Fourth Proportional to 376,212.62, 519,188.39 and 206,452.82

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Solution

The fourth proportional to 376,212.62, 519,188.39 and 206,452.82 is: 284,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,212.62 : 519,188.39 = 206,452.82 : x
  2. Step 2: Convert to fraction form
    376,212.62/519,188.39 = 206,452.82/x
  3. Step 3: Cross multiply
    376,212.62x = 519,188.39 × 206,452.82
  4. Step 4: Simplify right side
    376,212.62x = 107,187,903,598.55
  5. Step 5: Solve for x
    x = 107,187,903,598.55/376,212.62
  6. Step 6: Final answer
    x = 284,913.10

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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.