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Finding the Fourth Proportional to 344,367.99, 515,692.89 and 217,625.88

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Solution

The fourth proportional to 344,367.99, 515,692.89 and 217,625.88 is: 325,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,367.99 : 515,692.89 = 217,625.88 : x
  2. Step 2: Convert to fraction form
    344,367.99/515,692.89 = 217,625.88/x
  3. Step 3: Cross multiply
    344,367.99x = 515,692.89 × 217,625.88
  4. Step 4: Simplify right side
    344,367.99x = 112,228,118,995.99
  5. Step 5: Solve for x
    x = 112,228,118,995.99/344,367.99
  6. Step 6: Final answer
    x = 325,895.91

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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.