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Finding the Fourth Proportional to 376,261.76, 519,253.76 and 206,505.12

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Solution

The fourth proportional to 376,261.76, 519,253.76 and 206,505.12 is: 284,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,261.76 : 519,253.76 = 206,505.12 : x
  2. Step 2: Convert to fraction form
    376,261.76/519,253.76 = 206,505.12/x
  3. Step 3: Cross multiply
    376,261.76x = 519,253.76 × 206,505.12
  4. Step 4: Simplify right side
    376,261.76x = 107,228,560,019.25
  5. Step 5: Solve for x
    x = 107,228,560,019.25/376,261.76
  6. Step 6: Final answer
    x = 284,983.94

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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.