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Finding the Fourth Proportional to 503,362.10, 694,654.31 and 273,934.19

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Solution

The fourth proportional to 503,362.10, 694,654.31 and 273,934.19 is: 378,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,362.10 : 694,654.31 = 273,934.19 : x
  2. Step 2: Convert to fraction form
    503,362.10/694,654.31 = 273,934.19/x
  3. Step 3: Cross multiply
    503,362.10x = 694,654.31 × 273,934.19
  4. Step 4: Simplify right side
    503,362.10x = 190,289,565,739.86
  5. Step 5: Solve for x
    x = 190,289,565,739.86/503,362.10
  6. Step 6: Final answer
    x = 378,037.13

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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.