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Finding the Fourth Proportional to 503,539.24, 694,899.80 and 274,111.80

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Solution

The fourth proportional to 503,539.24, 694,899.80 and 274,111.80 is: 378,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,539.24 : 694,899.80 = 274,111.80 : x
  2. Step 2: Convert to fraction form
    503,539.24/694,899.80 = 274,111.80/x
  3. Step 3: Cross multiply
    503,539.24x = 694,899.80 × 274,111.80
  4. Step 4: Simplify right side
    503,539.24x = 190,480,235,682.92
  5. Step 5: Solve for x
    x = 190,480,235,682.92/503,539.24
  6. Step 6: Final answer
    x = 378,282.81

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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.