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Finding the Fourth Proportional to 503,172.31, 694,382.30 and 273,734.61

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Solution

The fourth proportional to 503,172.31, 694,382.30 and 273,734.61 is: 377,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,172.31 : 694,382.30 = 273,734.61 : x
  2. Step 2: Convert to fraction form
    503,172.31/694,382.30 = 273,734.61/x
  3. Step 3: Cross multiply
    503,172.31x = 694,382.30 × 273,734.61
  4. Step 4: Simplify right side
    503,172.31x = 190,076,468,081.40
  5. Step 5: Solve for x
    x = 190,076,468,081.40/503,172.31
  6. Step 6: Final answer
    x = 377,756.22

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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.