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Finding the Fourth Proportional to 360,799.87, 541,188.64 and 171,396.56

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Solution

The fourth proportional to 360,799.87, 541,188.64 and 171,396.56 is: 257,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,799.87 : 541,188.64 = 171,396.56 : x
  2. Step 2: Convert to fraction form
    360,799.87/541,188.64 = 171,396.56/x
  3. Step 3: Cross multiply
    360,799.87x = 541,188.64 × 171,396.56
  4. Step 4: Simplify right side
    360,799.87x = 92,757,869,730.11
  5. Step 5: Solve for x
    x = 92,757,869,730.11/360,799.87
  6. Step 6: Final answer
    x = 257,089.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.