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Finding the Fourth Proportional to 503,573.07, 694,930.81 and 274,132.01

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Solution

The fourth proportional to 503,573.07, 694,930.81 and 274,132.01 is: 378,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,573.07 : 694,930.81 = 274,132.01 : x
  2. Step 2: Convert to fraction form
    503,573.07/694,930.81 = 274,132.01/x
  3. Step 3: Cross multiply
    503,573.07x = 694,930.81 × 274,132.01
  4. Step 4: Simplify right side
    503,573.07x = 190,502,781,493.56
  5. Step 5: Solve for x
    x = 190,502,781,493.56/503,573.07
  6. Step 6: Final answer
    x = 378,302.16

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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.