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Finding the Fourth Proportional to 262,031.88, 391,103.64 and 225,853.44

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Solution

The fourth proportional to 262,031.88, 391,103.64 and 225,853.44 is: 337,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,031.88 : 391,103.64 = 225,853.44 : x
  2. Step 2: Convert to fraction form
    262,031.88/391,103.64 = 225,853.44/x
  3. Step 3: Cross multiply
    262,031.88x = 391,103.64 × 225,853.44
  4. Step 4: Simplify right side
    262,031.88x = 88,332,102,490.52
  5. Step 5: Solve for x
    x = 88,332,102,490.52/262,031.88
  6. Step 6: Final answer
    x = 337,104.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.