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Finding the Fourth Proportional to 376,568.74, 519,663.17 and 204,485.30

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Solution

The fourth proportional to 376,568.74, 519,663.17 and 204,485.30 is: 282,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,568.74 : 519,663.17 = 204,485.30 : x
  2. Step 2: Convert to fraction form
    376,568.74/519,663.17 = 204,485.30/x
  3. Step 3: Cross multiply
    376,568.74x = 519,663.17 × 204,485.30
  4. Step 4: Simplify right side
    376,568.74x = 106,263,479,493.13
  5. Step 5: Solve for x
    x = 106,263,479,493.13/376,568.74
  6. Step 6: Final answer
    x = 282,188.80

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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.