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Finding the Fourth Proportional to 376,463.30, 519,528.40 and 204,388.52

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Solution

The fourth proportional to 376,463.30, 519,528.40 and 204,388.52 is: 282,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,463.30 : 519,528.40 = 204,388.52 : x
  2. Step 2: Convert to fraction form
    376,463.30/519,528.40 = 204,388.52/x
  3. Step 3: Cross multiply
    376,463.30x = 519,528.40 × 204,388.52
  4. Step 4: Simplify right side
    376,463.30x = 106,185,640,773.97
  5. Step 5: Solve for x
    x = 106,185,640,773.97/376,463.30
  6. Step 6: Final answer
    x = 282,061.07

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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.