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Finding the Fourth Proportional to 503,540.51, 694,894.77 and 274,104.40

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Solution

The fourth proportional to 503,540.51, 694,894.77 and 274,104.40 is: 378,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,540.51 : 694,894.77 = 274,104.40 : x
  2. Step 2: Convert to fraction form
    503,540.51/694,894.77 = 274,104.40/x
  3. Step 3: Cross multiply
    503,540.51x = 694,894.77 × 274,104.40
  4. Step 4: Simplify right side
    503,540.51x = 190,473,712,256.75
  5. Step 5: Solve for x
    x = 190,473,712,256.75/503,540.51
  6. Step 6: Final answer
    x = 378,268.89

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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.