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Finding the Fourth Proportional to 376,220.49, 519,199.25 and 206,460.69

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Solution

The fourth proportional to 376,220.49, 519,199.25 and 206,460.69 is: 284,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,220.49 : 519,199.25 = 206,460.69 : x
  2. Step 2: Convert to fraction form
    376,220.49/519,199.25 = 206,460.69/x
  3. Step 3: Cross multiply
    376,220.49x = 519,199.25 × 206,460.69
  4. Step 4: Simplify right side
    376,220.49x = 107,194,234,370.18
  5. Step 5: Solve for x
    x = 107,194,234,370.18/376,220.49
  6. Step 6: Final answer
    x = 284,923.97

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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.