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Finding the Fourth Proportional to 382,377.60, 573,566.40 and 133,059.60

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Solution

The fourth proportional to 382,377.60, 573,566.40 and 133,059.60 is: 199,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,377.60 : 573,566.40 = 133,059.60 : x
  2. Step 2: Convert to fraction form
    382,377.60/573,566.40 = 133,059.60/x
  3. Step 3: Cross multiply
    382,377.60x = 573,566.40 × 133,059.60
  4. Step 4: Simplify right side
    382,377.60x = 76,318,515,757.44
  5. Step 5: Solve for x
    x = 76,318,515,757.44/382,377.60
  6. Step 6: Final answer
    x = 199,589.40

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1.5x scale

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.