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Finding the Fourth Proportional to 504,087.56, 695,634.42 and 274,654.40

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Solution

The fourth proportional to 504,087.56, 695,634.42 and 274,654.40 is: 379,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,087.56 : 695,634.42 = 274,654.40 : x
  2. Step 2: Convert to fraction form
    504,087.56/695,634.42 = 274,654.40/x
  3. Step 3: Cross multiply
    504,087.56x = 695,634.42 × 274,654.40
  4. Step 4: Simplify right side
    504,087.56x = 191,059,051,796.23
  5. Step 5: Solve for x
    x = 191,059,051,796.23/504,087.56
  6. Step 6: Final answer
    x = 379,019.57

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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.