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Finding the Fourth Proportional to 483,934.88, 667,756.96 and 277,171.04

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Solution

The fourth proportional to 483,934.88, 667,756.96 and 277,171.04 is: 382,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,934.88 : 667,756.96 = 277,171.04 : x
  2. Step 2: Convert to fraction form
    483,934.88/667,756.96 = 277,171.04/x
  3. Step 3: Cross multiply
    483,934.88x = 667,756.96 × 277,171.04
  4. Step 4: Simplify right side
    483,934.88x = 185,082,891,070.44
  5. Step 5: Solve for x
    x = 185,082,891,070.44/483,934.88
  6. Step 6: Final answer
    x = 382,454.12

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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.