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Finding the Fourth Proportional to 382,361.60, 573,542.40 and 133,043.60

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Solution

The fourth proportional to 382,361.60, 573,542.40 and 133,043.60 is: 199,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,361.60 : 573,542.40 = 133,043.60 : x
  2. Step 2: Convert to fraction form
    382,361.60/573,542.40 = 133,043.60/x
  3. Step 3: Cross multiply
    382,361.60x = 573,542.40 × 133,043.60
  4. Step 4: Simplify right side
    382,361.60x = 76,306,145,648.64
  5. Step 5: Solve for x
    x = 76,306,145,648.64/382,361.60
  6. Step 6: Final answer
    x = 199,565.40

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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.