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Finding the Fourth Proportional to 530,355.62, 794,605.17 and 361,327.25

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Solution

The fourth proportional to 530,355.62, 794,605.17 and 361,327.25 is: 541,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,355.62 : 794,605.17 = 361,327.25 : x
  2. Step 2: Convert to fraction form
    530,355.62/794,605.17 = 361,327.25/x
  3. Step 3: Cross multiply
    530,355.62x = 794,605.17 × 361,327.25
  4. Step 4: Simplify right side
    530,355.62x = 287,112,500,911.88
  5. Step 5: Solve for x
    x = 287,112,500,911.88/530,355.62
  6. Step 6: Final answer
    x = 541,358.46

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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.