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Finding the Fourth Proportional to 503,490.54, 694,833.96 and 274,056.18

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Solution

The fourth proportional to 503,490.54, 694,833.96 and 274,056.18 is: 378,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,490.54 : 694,833.96 = 274,056.18 : x
  2. Step 2: Convert to fraction form
    503,490.54/694,833.96 = 274,056.18/x
  3. Step 3: Cross multiply
    503,490.54x = 694,833.96 × 274,056.18
  4. Step 4: Simplify right side
    503,490.54x = 190,423,540,811.87
  5. Step 5: Solve for x
    x = 190,423,540,811.87/503,490.54
  6. Step 6: Final answer
    x = 378,206.79

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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.