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Finding the Fourth Proportional to 502,727.98, 693,778.05 and 273,300.65

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Solution

The fourth proportional to 502,727.98, 693,778.05 and 273,300.65 is: 377,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,727.98 : 693,778.05 = 273,300.65 : x
  2. Step 2: Convert to fraction form
    502,727.98/693,778.05 = 273,300.65/x
  3. Step 3: Cross multiply
    502,727.98x = 693,778.05 × 273,300.65
  4. Step 4: Simplify right side
    502,727.98x = 189,609,992,020.73
  5. Step 5: Solve for x
    x = 189,609,992,020.73/502,727.98
  6. Step 6: Final answer
    x = 377,162.20

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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.