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Finding the Fourth Proportional to 608,136.22, 911,817.96 and 533,406.43

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Solution

The fourth proportional to 608,136.22, 911,817.96 and 533,406.43 is: 799,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,136.22 : 911,817.96 = 533,406.43 : x
  2. Step 2: Convert to fraction form
    608,136.22/911,817.96 = 533,406.43/x
  3. Step 3: Cross multiply
    608,136.22x = 911,817.96 × 533,406.43
  4. Step 4: Simplify right side
    608,136.22x = 486,369,562,853.48
  5. Step 5: Solve for x
    x = 486,369,562,853.48/608,136.22
  6. Step 6: Final answer
    x = 799,770.75

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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.