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Finding the Fourth Proportional to 466,906.92, 644,355.52 and 285,561.96

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Solution

The fourth proportional to 466,906.92, 644,355.52 and 285,561.96 is: 394,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,906.92 : 644,355.52 = 285,561.96 : x
  2. Step 2: Convert to fraction form
    466,906.92/644,355.52 = 285,561.96/x
  3. Step 3: Cross multiply
    466,906.92x = 644,355.52 × 285,561.96
  4. Step 4: Simplify right side
    466,906.92x = 184,003,425,228.02
  5. Step 5: Solve for x
    x = 184,003,425,228.02/466,906.92
  6. Step 6: Final answer
    x = 394,090.17

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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.