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Finding the Fourth Proportional to 481,951.26, 665,082.54 and 267,089.40

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Solution

The fourth proportional to 481,951.26, 665,082.54 and 267,089.40 is: 368,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,951.26 : 665,082.54 = 267,089.40 : x
  2. Step 2: Convert to fraction form
    481,951.26/665,082.54 = 267,089.40/x
  3. Step 3: Cross multiply
    481,951.26x = 665,082.54 × 267,089.40
  4. Step 4: Simplify right side
    481,951.26x = 177,636,496,559.08
  5. Step 5: Solve for x
    x = 177,636,496,559.08/481,951.26
  6. Step 6: Final answer
    x = 368,577.72

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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.