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Finding the Fourth Proportional to 503,374.87, 694,657.40 and 277,020.37

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Solution

The fourth proportional to 503,374.87, 694,657.40 and 277,020.37 is: 382,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,374.87 : 694,657.40 = 277,020.37 : x
  2. Step 2: Convert to fraction form
    503,374.87/694,657.40 = 277,020.37/x
  3. Step 3: Cross multiply
    503,374.87x = 694,657.40 × 277,020.37
  4. Step 4: Simplify right side
    503,374.87x = 192,434,246,497.95
  5. Step 5: Solve for x
    x = 192,434,246,497.95/503,374.87
  6. Step 6: Final answer
    x = 382,288.15

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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.