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Finding the Fourth Proportional to 609,166.20, 911,675.70 and 534,516.60

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Solution

The fourth proportional to 609,166.20, 911,675.70 and 534,516.60 is: 799,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,166.20 : 911,675.70 = 534,516.60 : x
  2. Step 2: Convert to fraction form
    609,166.20/911,675.70 = 534,516.60/x
  3. Step 3: Cross multiply
    609,166.20x = 911,675.70 × 534,516.60
  4. Step 4: Simplify right side
    609,166.20x = 487,305,795,466.62
  5. Step 5: Solve for x
    x = 487,305,795,466.62/609,166.20
  6. Step 6: Final answer
    x = 799,955.41

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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.