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Finding the Fourth Proportional to 377,168.73, 520,493.47 and 205,086.53

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Solution

The fourth proportional to 377,168.73, 520,493.47 and 205,086.53 is: 283,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,168.73 : 520,493.47 = 205,086.53 : x
  2. Step 2: Convert to fraction form
    377,168.73/520,493.47 = 205,086.53/x
  3. Step 3: Cross multiply
    377,168.73x = 520,493.47 × 205,086.53
  4. Step 4: Simplify right side
    377,168.73x = 106,746,201,015.28
  5. Step 5: Solve for x
    x = 106,746,201,015.28/377,168.73
  6. Step 6: Final answer
    x = 283,019.75

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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.