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Finding the Fourth Proportional to 376,567.83, 519,672.65 and 206,805.60

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Solution

The fourth proportional to 376,567.83, 519,672.65 and 206,805.60 is: 285,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,567.83 : 519,672.65 = 206,805.60 : x
  2. Step 2: Convert to fraction form
    376,567.83/519,672.65 = 206,805.60/x
  3. Step 3: Cross multiply
    376,567.83x = 519,672.65 × 206,805.60
  4. Step 4: Simplify right side
    376,567.83x = 107,471,213,152.81
  5. Step 5: Solve for x
    x = 107,471,213,152.81/376,567.83
  6. Step 6: Final answer
    x = 285,396.69

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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.