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Finding the Fourth Proportional to 234,708.40, 351,479.40 and 188,052.40

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Solution

The fourth proportional to 234,708.40, 351,479.40 and 188,052.40 is: 281,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,708.40 : 351,479.40 = 188,052.40 : x
  2. Step 2: Convert to fraction form
    234,708.40/351,479.40 = 188,052.40/x
  3. Step 3: Cross multiply
    234,708.40x = 351,479.40 × 188,052.40
  4. Step 4: Simplify right side
    234,708.40x = 66,096,544,720.56
  5. Step 5: Solve for x
    x = 66,096,544,720.56/234,708.40
  6. Step 6: Final answer
    x = 281,611.33

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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.