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Finding the Fourth Proportional to 422,469.36, 583,031.07 and 241,239.51

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Solution

The fourth proportional to 422,469.36, 583,031.07 and 241,239.51 is: 332,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,469.36 : 583,031.07 = 241,239.51 : x
  2. Step 2: Convert to fraction form
    422,469.36/583,031.07 = 241,239.51/x
  3. Step 3: Cross multiply
    422,469.36x = 583,031.07 × 241,239.51
  4. Step 4: Simplify right side
    422,469.36x = 140,650,129,641.58
  5. Step 5: Solve for x
    x = 140,650,129,641.58/422,469.36
  6. Step 6: Final answer
    x = 332,923.86

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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.