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Finding the Fourth Proportional to 550,383.51, 825,836.17 and 265,914.62

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Solution

The fourth proportional to 550,383.51, 825,836.17 and 265,914.62 is: 398,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,383.51 : 825,836.17 = 265,914.62 : x
  2. Step 2: Convert to fraction form
    550,383.51/825,836.17 = 265,914.62/x
  3. Step 3: Cross multiply
    550,383.51x = 825,836.17 × 265,914.62
  4. Step 4: Simplify right side
    550,383.51x = 219,601,911,327.81
  5. Step 5: Solve for x
    x = 219,601,911,327.81/550,383.51
  6. Step 6: Final answer
    x = 398,997.98

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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.