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Finding the Fourth Proportional to 503,513.22, 694,866.58 and 274,059.42

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Solution

The fourth proportional to 503,513.22, 694,866.58 and 274,059.42 is: 378,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,513.22 : 694,866.58 = 274,059.42 : x
  2. Step 2: Convert to fraction form
    503,513.22/694,866.58 = 274,059.42/x
  3. Step 3: Cross multiply
    503,513.22x = 694,866.58 × 274,059.42
  4. Step 4: Simplify right side
    503,513.22x = 190,434,731,892.18
  5. Step 5: Solve for x
    x = 190,434,731,892.18/503,513.22
  6. Step 6: Final answer
    x = 378,211.98

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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.