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Finding the Fourth Proportional to 500,924.82, 691,274.48 and 271,487.69

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Solution

The fourth proportional to 500,924.82, 691,274.48 and 271,487.69 is: 374,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,924.82 : 691,274.48 = 271,487.69 : x
  2. Step 2: Convert to fraction form
    500,924.82/691,274.48 = 271,487.69/x
  3. Step 3: Cross multiply
    500,924.82x = 691,274.48 × 271,487.69
  4. Step 4: Simplify right side
    500,924.82x = 187,672,511,731.15
  5. Step 5: Solve for x
    x = 187,672,511,731.15/500,924.82
  6. Step 6: Final answer
    x = 374,652.05

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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.