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Finding the Fourth Proportional to 376,567.17, 519,662.70 and 206,801.31

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Solution

The fourth proportional to 376,567.17, 519,662.70 and 206,801.31 is: 285,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,567.17 : 519,662.70 = 206,801.31 : x
  2. Step 2: Convert to fraction form
    376,567.17/519,662.70 = 206,801.31/x
  3. Step 3: Cross multiply
    376,567.17x = 519,662.70 × 206,801.31
  4. Step 4: Simplify right side
    376,567.17x = 107,466,927,118.14
  5. Step 5: Solve for x
    x = 107,466,927,118.14/376,567.17
  6. Step 6: Final answer
    x = 285,385.81

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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.