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Finding the Fourth Proportional to 351,069.88, 484,474.96 and 189,924.56

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Solution

The fourth proportional to 351,069.88, 484,474.96 and 189,924.56 is: 262,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,069.88 : 484,474.96 = 189,924.56 : x
  2. Step 2: Convert to fraction form
    351,069.88/484,474.96 = 189,924.56/x
  3. Step 3: Cross multiply
    351,069.88x = 484,474.96 × 189,924.56
  4. Step 4: Simplify right side
    351,069.88x = 92,013,693,609.02
  5. Step 5: Solve for x
    x = 92,013,693,609.02/351,069.88
  6. Step 6: Final answer
    x = 262,095.10

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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.