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Finding the Fourth Proportional to 576,118.29, 795,042.61 and 321,469.50

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Solution

The fourth proportional to 576,118.29, 795,042.61 and 321,469.50 is: 443,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,118.29 : 795,042.61 = 321,469.50 : x
  2. Step 2: Convert to fraction form
    576,118.29/795,042.61 = 321,469.50/x
  3. Step 3: Cross multiply
    576,118.29x = 795,042.61 × 321,469.50
  4. Step 4: Simplify right side
    576,118.29x = 255,581,950,315.40
  5. Step 5: Solve for x
    x = 255,581,950,315.40/576,118.29
  6. Step 6: Final answer
    x = 443,627.56

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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.