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Finding the Fourth Proportional to 534,576.22, 801,011.37 and 391,759.60

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Solution

The fourth proportional to 534,576.22, 801,011.37 and 391,759.60 is: 587,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,576.22 : 801,011.37 = 391,759.60 : x
  2. Step 2: Convert to fraction form
    534,576.22/801,011.37 = 391,759.60/x
  3. Step 3: Cross multiply
    534,576.22x = 801,011.37 × 391,759.60
  4. Step 4: Simplify right side
    534,576.22x = 313,803,893,906.65
  5. Step 5: Solve for x
    x = 313,803,893,906.65/534,576.22
  6. Step 6: Final answer
    x = 587,014.32

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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.