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Finding the Fourth Proportional to 384,014.10, 576,021.15 and 367,425.30

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Solution

The fourth proportional to 384,014.10, 576,021.15 and 367,425.30 is: 551,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,014.10 : 576,021.15 = 367,425.30 : x
  2. Step 2: Convert to fraction form
    384,014.10/576,021.15 = 367,425.30/x
  3. Step 3: Cross multiply
    384,014.10x = 576,021.15 × 367,425.30
  4. Step 4: Simplify right side
    384,014.10x = 211,644,743,845.10
  5. Step 5: Solve for x
    x = 211,644,743,845.10/384,014.10
  6. Step 6: Final answer
    x = 551,137.95

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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.