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Finding the Fourth Proportional to 377,650.73, 521,164.66 and 205,573.64

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Solution

The fourth proportional to 377,650.73, 521,164.66 and 205,573.64 is: 283,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,650.73 : 521,164.66 = 205,573.64 : x
  2. Step 2: Convert to fraction form
    377,650.73/521,164.66 = 205,573.64/x
  3. Step 3: Cross multiply
    377,650.73x = 521,164.66 × 205,573.64
  4. Step 4: Simplify right side
    377,650.73x = 107,137,715,167.69
  5. Step 5: Solve for x
    x = 107,137,715,167.69/377,650.73
  6. Step 6: Final answer
    x = 283,695.24

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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.