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Finding the Fourth Proportional to 503,526.11, 694,866.03 and 277,171.61

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Solution

The fourth proportional to 503,526.11, 694,866.03 and 277,171.61 is: 382,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,526.11 : 694,866.03 = 277,171.61 : x
  2. Step 2: Convert to fraction form
    503,526.11/694,866.03 = 277,171.61/x
  3. Step 3: Cross multiply
    503,526.11x = 694,866.03 × 277,171.61
  4. Step 4: Simplify right side
    503,526.11x = 192,597,136,269.41
  5. Step 5: Solve for x
    x = 192,597,136,269.41/503,526.11
  6. Step 6: Final answer
    x = 382,496.82

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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.