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Finding the Fourth Proportional to 494,493.15, 741,545.62 and 174,576.74

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Solution

The fourth proportional to 494,493.15, 741,545.62 and 174,576.74 is: 261,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,493.15 : 741,545.62 = 174,576.74 : x
  2. Step 2: Convert to fraction form
    494,493.15/741,545.62 = 174,576.74/x
  3. Step 3: Cross multiply
    494,493.15x = 741,545.62 × 174,576.74
  4. Step 4: Simplify right side
    494,493.15x = 129,456,616,900.88
  5. Step 5: Solve for x
    x = 129,456,616,900.88/494,493.15
  6. Step 6: Final answer
    x = 261,796.58

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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.