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Finding the Fourth Proportional to 384,604.05, 576,906.51 and 100,294.35

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Solution

The fourth proportional to 384,604.05, 576,906.51 and 100,294.35 is: 150,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,604.05 : 576,906.51 = 100,294.35 : x
  2. Step 2: Convert to fraction form
    384,604.05/576,906.51 = 100,294.35/x
  3. Step 3: Cross multiply
    384,604.05x = 576,906.51 × 100,294.35
  4. Step 4: Simplify right side
    384,604.05x = 57,860,463,431.22
  5. Step 5: Solve for x
    x = 57,860,463,431.22/384,604.05
  6. Step 6: Final answer
    x = 150,441.64

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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.