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Finding the Fourth Proportional to 481,193.99, 664,195.55 and 277,381.16

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Solution

The fourth proportional to 481,193.99, 664,195.55 and 277,381.16 is: 382,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,193.99 : 664,195.55 = 277,381.16 : x
  2. Step 2: Convert to fraction form
    481,193.99/664,195.55 = 277,381.16/x
  3. Step 3: Cross multiply
    481,193.99x = 664,195.55 × 277,381.16
  4. Step 4: Simplify right side
    481,193.99x = 184,235,329,908.69
  5. Step 5: Solve for x
    x = 184,235,329,908.69/481,193.99
  6. Step 6: Final answer
    x = 382,871.22

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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.