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Finding the Fourth Proportional to 376,146.96, 519,078.15 and 206,380.95

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Solution

The fourth proportional to 376,146.96, 519,078.15 and 206,380.95 is: 284,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,146.96 : 519,078.15 = 206,380.95 : x
  2. Step 2: Convert to fraction form
    376,146.96/519,078.15 = 206,380.95/x
  3. Step 3: Cross multiply
    376,146.96x = 519,078.15 × 206,380.95
  4. Step 4: Simplify right side
    376,146.96x = 107,127,841,721.24
  5. Step 5: Solve for x
    x = 107,127,841,721.24/376,146.96
  6. Step 6: Final answer
    x = 284,803.16

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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.