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Finding the Fourth Proportional to 437,997, 604,436.68 and 236,793

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Solution

The fourth proportional to 437,997, 604,436.68 and 236,793 is: 326,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,997 : 604,436.68 = 236,793 : x
  2. Step 2: Convert to fraction form
    437,997/604,436.68 = 236,793/x
  3. Step 3: Cross multiply
    437,997x = 604,436.68 × 236,793
  4. Step 4: Simplify right side
    437,997x = 143,126,374,767.24
  5. Step 5: Solve for x
    x = 143,126,374,767.24/437,997
  6. Step 6: Final answer
    x = 326,774.78

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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.