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Finding the Fourth Proportional to 379,532.58, 569,392.26 and 267,431.64

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Solution

The fourth proportional to 379,532.58, 569,392.26 and 267,431.64 is: 401,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,532.58 : 569,392.26 = 267,431.64 : x
  2. Step 2: Convert to fraction form
    379,532.58/569,392.26 = 267,431.64/x
  3. Step 3: Cross multiply
    379,532.58x = 569,392.26 × 267,431.64
  4. Step 4: Simplify right side
    379,532.58x = 152,273,505,895.11
  5. Step 5: Solve for x
    x = 152,273,505,895.11/379,532.58
  6. Step 6: Final answer
    x = 401,213.27

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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.