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Finding the Fourth Proportional to 482,375.90, 665,661.98 and 267,535.96

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Solution

The fourth proportional to 482,375.90, 665,661.98 and 267,535.96 is: 369,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,375.90 : 665,661.98 = 267,535.96 : x
  2. Step 2: Convert to fraction form
    482,375.90/665,661.98 = 267,535.96/x
  3. Step 3: Cross multiply
    482,375.90x = 665,661.98 × 267,535.96
  4. Step 4: Simplify right side
    482,375.90x = 178,088,515,859.49
  5. Step 5: Solve for x
    x = 178,088,515,859.49/482,375.90
  6. Step 6: Final answer
    x = 369,190.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.