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Finding the Fourth Proportional to 481,294.34, 664,255.67 and 277,306.17

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Solution

The fourth proportional to 481,294.34, 664,255.67 and 277,306.17 is: 382,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,294.34 : 664,255.67 = 277,306.17 : x
  2. Step 2: Convert to fraction form
    481,294.34/664,255.67 = 277,306.17/x
  3. Step 3: Cross multiply
    481,294.34x = 664,255.67 × 277,306.17
  4. Step 4: Simplify right side
    481,294.34x = 184,202,195,748.48
  5. Step 5: Solve for x
    x = 184,202,195,748.48/481,294.34
  6. Step 6: Final answer
    x = 382,722.55

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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.