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Finding the Fourth Proportional to 477,160.44, 658,489.62 and 262,309.56

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Solution

The fourth proportional to 477,160.44, 658,489.62 and 262,309.56 is: 361,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,160.44 : 658,489.62 = 262,309.56 : x
  2. Step 2: Convert to fraction form
    477,160.44/658,489.62 = 262,309.56/x
  3. Step 3: Cross multiply
    477,160.44x = 658,489.62 × 262,309.56
  4. Step 4: Simplify right side
    477,160.44x = 172,728,122,486.77
  5. Step 5: Solve for x
    x = 172,728,122,486.77/477,160.44
  6. Step 6: Final answer
    x = 361,991.71

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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.