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Finding the Fourth Proportional to 477,311.42, 658,687.61 and 262,450.97

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Solution

The fourth proportional to 477,311.42, 658,687.61 and 262,450.97 is: 362,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,311.42 : 658,687.61 = 262,450.97 : x
  2. Step 2: Convert to fraction form
    477,311.42/658,687.61 = 262,450.97/x
  3. Step 3: Cross multiply
    477,311.42x = 658,687.61 × 262,450.97
  4. Step 4: Simplify right side
    477,311.42x = 172,873,203,675.87
  5. Step 5: Solve for x
    x = 172,873,203,675.87/477,311.42
  6. Step 6: Final answer
    x = 362,181.16

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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.