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Finding the Fourth Proportional to 534,234.62, 801,393.60 and 155,161.55

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Solution

The fourth proportional to 534,234.62, 801,393.60 and 155,161.55 is: 232,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,234.62 : 801,393.60 = 155,161.55 : x
  2. Step 2: Convert to fraction form
    534,234.62/801,393.60 = 155,161.55/x
  3. Step 3: Cross multiply
    534,234.62x = 801,393.60 × 155,161.55
  4. Step 4: Simplify right side
    534,234.62x = 124,345,473,136.08
  5. Step 5: Solve for x
    x = 124,345,473,136.08/534,234.62
  6. Step 6: Final answer
    x = 232,754.43

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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.