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Finding the Fourth Proportional to 481,337.82, 721,997.04 and 165,787.74

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Solution

The fourth proportional to 481,337.82, 721,997.04 and 165,787.74 is: 248,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,337.82 : 721,997.04 = 165,787.74 : x
  2. Step 2: Convert to fraction form
    481,337.82/721,997.04 = 165,787.74/x
  3. Step 3: Cross multiply
    481,337.82x = 721,997.04 × 165,787.74
  4. Step 4: Simplify right side
    481,337.82x = 119,698,257,548.29
  5. Step 5: Solve for x
    x = 119,698,257,548.29/481,337.82
  6. Step 6: Final answer
    x = 248,678.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.