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Finding the Fourth Proportional to 481,304.96, 664,270.34 and 277,316.79

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Solution

The fourth proportional to 481,304.96, 664,270.34 and 277,316.79 is: 382,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,304.96 : 664,270.34 = 277,316.79 : x
  2. Step 2: Convert to fraction form
    481,304.96/664,270.34 = 277,316.79/x
  3. Step 3: Cross multiply
    481,304.96x = 664,270.34 × 277,316.79
  4. Step 4: Simplify right side
    481,304.96x = 184,213,316,994.43
  5. Step 5: Solve for x
    x = 184,213,316,994.43/481,304.96
  6. Step 6: Final answer
    x = 382,737.21

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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.