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Finding the Fourth Proportional to 382,027.36, 573,155.52 and 154,205.68

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Solution

The fourth proportional to 382,027.36, 573,155.52 and 154,205.68 is: 231,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,027.36 : 573,155.52 = 154,205.68 : x
  2. Step 2: Convert to fraction form
    382,027.36/573,155.52 = 154,205.68/x
  3. Step 3: Cross multiply
    382,027.36x = 573,155.52 × 154,205.68
  4. Step 4: Simplify right side
    382,027.36x = 88,383,836,707.35
  5. Step 5: Solve for x
    x = 88,383,836,707.35/382,027.36
  6. Step 6: Final answer
    x = 231,354.73

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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.