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Finding the Fourth Proportional to 561,381.56, 842,129.02 and 182,286.44

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Solution

The fourth proportional to 561,381.56, 842,129.02 and 182,286.44 is: 273,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,381.56 : 842,129.02 = 182,286.44 : x
  2. Step 2: Convert to fraction form
    561,381.56/842,129.02 = 182,286.44/x
  3. Step 3: Cross multiply
    561,381.56x = 842,129.02 × 182,286.44
  4. Step 4: Simplify right side
    561,381.56x = 153,508,701,076.49
  5. Step 5: Solve for x
    x = 153,508,701,076.49/561,381.56
  6. Step 6: Final answer
    x = 273,448.06

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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.