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Finding the Fourth Proportional to 376,618.71, 519,732.05 and 204,535.47

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Solution

The fourth proportional to 376,618.71, 519,732.05 and 204,535.47 is: 282,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,618.71 : 519,732.05 = 204,535.47 : x
  2. Step 2: Convert to fraction form
    376,618.71/519,732.05 = 204,535.47/x
  3. Step 3: Cross multiply
    376,618.71x = 519,732.05 × 204,535.47
  4. Step 4: Simplify right side
    376,618.71x = 106,303,638,098.14
  5. Step 5: Solve for x
    x = 106,303,638,098.14/376,618.71
  6. Step 6: Final answer
    x = 282,257.98

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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.