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Finding the Fourth Proportional to 477,134.44, 658,446.89 and 273,188.49

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Solution

The fourth proportional to 477,134.44, 658,446.89 and 273,188.49 is: 377,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,134.44 : 658,446.89 = 273,188.49 : x
  2. Step 2: Convert to fraction form
    477,134.44/658,446.89 = 273,188.49/x
  3. Step 3: Cross multiply
    477,134.44x = 658,446.89 × 273,188.49
  4. Step 4: Simplify right side
    477,134.44x = 179,880,110,661.15
  5. Step 5: Solve for x
    x = 179,880,110,661.15/477,134.44
  6. Step 6: Final answer
    x = 377,000.90

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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.