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Finding the Fourth Proportional to 504,365.85, 696,003.92 and 274,918.08

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Solution

The fourth proportional to 504,365.85, 696,003.92 and 274,918.08 is: 379,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,365.85 : 696,003.92 = 274,918.08 : x
  2. Step 2: Convert to fraction form
    504,365.85/696,003.92 = 274,918.08/x
  3. Step 3: Cross multiply
    504,365.85x = 696,003.92 × 274,918.08
  4. Step 4: Simplify right side
    504,365.85x = 191,344,061,358.87
  5. Step 5: Solve for x
    x = 191,344,061,358.87/504,365.85
  6. Step 6: Final answer
    x = 379,375.53

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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.