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Finding the Fourth Proportional to 673,684.16, 929,682.24 and 371,876

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Solution

The fourth proportional to 673,684.16, 929,682.24 and 371,876 is: 513,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,684.16 : 929,682.24 = 371,876 : x
  2. Step 2: Convert to fraction form
    673,684.16/929,682.24 = 371,876/x
  3. Step 3: Cross multiply
    673,684.16x = 929,682.24 × 371,876
  4. Step 4: Simplify right side
    673,684.16x = 345,726,512,682.24
  5. Step 5: Solve for x
    x = 345,726,512,682.24/673,684.16
  6. Step 6: Final answer
    x = 513,187.83

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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.