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Finding the Fourth Proportional to 550,383.01, 825,835.42 and 265,914.12

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Solution

The fourth proportional to 550,383.01, 825,835.42 and 265,914.12 is: 398,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,383.01 : 825,835.42 = 265,914.12 : x
  2. Step 2: Convert to fraction form
    550,383.01/825,835.42 = 265,914.12/x
  3. Step 3: Cross multiply
    550,383.01x = 825,835.42 × 265,914.12
  4. Step 4: Simplify right side
    550,383.01x = 219,601,294,844.95
  5. Step 5: Solve for x
    x = 219,601,294,844.95/550,383.01
  6. Step 6: Final answer
    x = 398,997.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.