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Finding the Fourth Proportional to 494,123.42, 681,861.99 and 273,347.51

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Solution

The fourth proportional to 494,123.42, 681,861.99 and 273,347.51 is: 377,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,123.42 : 681,861.99 = 273,347.51 : x
  2. Step 2: Convert to fraction form
    494,123.42/681,861.99 = 273,347.51/x
  3. Step 3: Cross multiply
    494,123.42x = 681,861.99 × 273,347.51
  4. Step 4: Simplify right side
    494,123.42x = 186,385,273,720.84
  5. Step 5: Solve for x
    x = 186,385,273,720.84/494,123.42
  6. Step 6: Final answer
    x = 377,203.89

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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.