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Finding the Fourth Proportional to 650,665.21, 897,917.79 and 364,185.22

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Solution

The fourth proportional to 650,665.21, 897,917.79 and 364,185.22 is: 502,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,665.21 : 897,917.79 = 364,185.22 : x
  2. Step 2: Convert to fraction form
    650,665.21/897,917.79 = 364,185.22/x
  3. Step 3: Cross multiply
    650,665.21x = 897,917.79 × 364,185.22
  4. Step 4: Simplify right side
    650,665.21x = 327,008,387,893.06
  5. Step 5: Solve for x
    x = 327,008,387,893.06/650,665.21
  6. Step 6: Final answer
    x = 502,575.49

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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.