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Finding the Fourth Proportional to 503,922.59, 695,414.14 and 274,479.17

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Solution

The fourth proportional to 503,922.59, 695,414.14 and 274,479.17 is: 378,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,922.59 : 695,414.14 = 274,479.17 : x
  2. Step 2: Convert to fraction form
    503,922.59/695,414.14 = 274,479.17/x
  3. Step 3: Cross multiply
    503,922.59x = 695,414.14 × 274,479.17
  4. Step 4: Simplify right side
    503,922.59x = 190,876,691,790.20
  5. Step 5: Solve for x
    x = 190,876,691,790.20/503,922.59
  6. Step 6: Final answer
    x = 378,781.77

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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.