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Finding the Fourth Proportional to 352,793.08, 486,857.82 and 191,649.34

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Solution

The fourth proportional to 352,793.08, 486,857.82 and 191,649.34 is: 264,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,793.08 : 486,857.82 = 191,649.34 : x
  2. Step 2: Convert to fraction form
    352,793.08/486,857.82 = 191,649.34/x
  3. Step 3: Cross multiply
    352,793.08x = 486,857.82 × 191,649.34
  4. Step 4: Simplify right side
    352,793.08x = 93,305,979,876.84
  5. Step 5: Solve for x
    x = 93,305,979,876.84/352,793.08
  6. Step 6: Final answer
    x = 264,477.92

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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.