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Finding the Fourth Proportional to 481,137.14, 721,702.47 and 376,044.50

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Solution

The fourth proportional to 481,137.14, 721,702.47 and 376,044.50 is: 564,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,137.14 : 721,702.47 = 376,044.50 : x
  2. Step 2: Convert to fraction form
    481,137.14/721,702.47 = 376,044.50/x
  3. Step 3: Cross multiply
    481,137.14x = 721,702.47 × 376,044.50
  4. Step 4: Simplify right side
    481,137.14x = 271,392,244,479.92
  5. Step 5: Solve for x
    x = 271,392,244,479.92/481,137.14
  6. Step 6: Final answer
    x = 564,064.22

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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.