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Finding the Fourth Proportional to 347,892.25, 480,383.83 and 261,701.82

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Solution

The fourth proportional to 347,892.25, 480,383.83 and 261,701.82 is: 361,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,892.25 : 480,383.83 = 261,701.82 : x
  2. Step 2: Convert to fraction form
    347,892.25/480,383.83 = 261,701.82/x
  3. Step 3: Cross multiply
    347,892.25x = 480,383.83 × 261,701.82
  4. Step 4: Simplify right side
    347,892.25x = 125,717,322,609.57
  5. Step 5: Solve for x
    x = 125,717,322,609.57/347,892.25
  6. Step 6: Final answer
    x = 361,368.56

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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.