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Finding the Fourth Proportional to 376,092.78, 519,084.42 and 255,273

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Solution

The fourth proportional to 376,092.78, 519,084.42 and 255,273 is: 352,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,092.78 : 519,084.42 = 255,273 : x
  2. Step 2: Convert to fraction form
    376,092.78/519,084.42 = 255,273/x
  3. Step 3: Cross multiply
    376,092.78x = 519,084.42 × 255,273
  4. Step 4: Simplify right side
    376,092.78x = 132,508,237,146.66
  5. Step 5: Solve for x
    x = 132,508,237,146.66/376,092.78
  6. Step 6: Final answer
    x = 352,328.59

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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.