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Finding the Fourth Proportional to 483,891.92, 667,593.96 and 292,835.60

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Solution

The fourth proportional to 483,891.92, 667,593.96 and 292,835.60 is: 404,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,891.92 : 667,593.96 = 292,835.60 : x
  2. Step 2: Convert to fraction form
    483,891.92/667,593.96 = 292,835.60/x
  3. Step 3: Cross multiply
    483,891.92x = 667,593.96 × 292,835.60
  4. Step 4: Simplify right side
    483,891.92x = 195,495,277,832.98
  5. Step 5: Solve for x
    x = 195,495,277,832.98/483,891.92
  6. Step 6: Final answer
    x = 404,006.08

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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.