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Finding the Fourth Proportional to 503,368.66, 694,663.31 and 273,940.75

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Solution

The fourth proportional to 503,368.66, 694,663.31 and 273,940.75 is: 378,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,368.66 : 694,663.31 = 273,940.75 : x
  2. Step 2: Convert to fraction form
    503,368.66/694,663.31 = 273,940.75/x
  3. Step 3: Cross multiply
    503,368.66x = 694,663.31 × 273,940.75
  4. Step 4: Simplify right side
    503,368.66x = 190,296,583,295.86
  5. Step 5: Solve for x
    x = 190,296,583,295.86/503,368.66
  6. Step 6: Final answer
    x = 378,046.15

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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.