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Finding the Fourth Proportional to 477,586.62, 659,059.47 and 262,722.78

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Solution

The fourth proportional to 477,586.62, 659,059.47 and 262,722.78 is: 362,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,586.62 : 659,059.47 = 262,722.78 : x
  2. Step 2: Convert to fraction form
    477,586.62/659,059.47 = 262,722.78/x
  3. Step 3: Cross multiply
    477,586.62x = 659,059.47 × 262,722.78
  4. Step 4: Simplify right side
    477,586.62x = 173,149,936,143.73
  5. Step 5: Solve for x
    x = 173,149,936,143.73/477,586.62
  6. Step 6: Final answer
    x = 362,551.90

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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.