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Finding the Fourth Proportional to 503,369.23, 694,649.28 and 277,014.73

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Solution

The fourth proportional to 503,369.23, 694,649.28 and 277,014.73 is: 382,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,369.23 : 694,649.28 = 277,014.73 : x
  2. Step 2: Convert to fraction form
    503,369.23/694,649.28 = 277,014.73/x
  3. Step 3: Cross multiply
    503,369.23x = 694,649.28 × 277,014.73
  4. Step 4: Simplify right side
    503,369.23x = 192,428,079,270.65
  5. Step 5: Solve for x
    x = 192,428,079,270.65/503,369.23
  6. Step 6: Final answer
    x = 382,280.18

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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.