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Finding the Fourth Proportional to 481,344.44, 664,230.02 and 263,511.40

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Solution

The fourth proportional to 481,344.44, 664,230.02 and 263,511.40 is: 363,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,344.44 : 664,230.02 = 263,511.40 : x
  2. Step 2: Convert to fraction form
    481,344.44/664,230.02 = 263,511.40/x
  3. Step 3: Cross multiply
    481,344.44x = 664,230.02 × 263,511.40
  4. Step 4: Simplify right side
    481,344.44x = 175,032,182,492.23
  5. Step 5: Solve for x
    x = 175,032,182,492.23/481,344.44
  6. Step 6: Final answer
    x = 363,631.88

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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.