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Finding the Fourth Proportional to 467,093.82, 644,637.09 and 285,925.47

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Solution

The fourth proportional to 467,093.82, 644,637.09 and 285,925.47 is: 394,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,093.82 : 644,637.09 = 285,925.47 : x
  2. Step 2: Convert to fraction form
    467,093.82/644,637.09 = 285,925.47/x
  3. Step 3: Cross multiply
    467,093.82x = 644,637.09 × 285,925.47
  4. Step 4: Simplify right side
    467,093.82x = 184,318,162,937.68
  5. Step 5: Solve for x
    x = 184,318,162,937.68/467,093.82
  6. Step 6: Final answer
    x = 394,606.30

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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.