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Finding the Fourth Proportional to 300,722.70, 414,895.14 and 171,568.39

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Solution

The fourth proportional to 300,722.70, 414,895.14 and 171,568.39 is: 236,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,722.70 : 414,895.14 = 171,568.39 : x
  2. Step 2: Convert to fraction form
    300,722.70/414,895.14 = 171,568.39/x
  3. Step 3: Cross multiply
    300,722.70x = 414,895.14 × 171,568.39
  4. Step 4: Simplify right side
    300,722.70x = 71,182,890,244.96
  5. Step 5: Solve for x
    x = 71,182,890,244.96/300,722.70
  6. Step 6: Final answer
    x = 236,706.08

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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.