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Finding the Fourth Proportional to 609,846.57, 914,771.85 and 154,437.55

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Solution

The fourth proportional to 609,846.57, 914,771.85 and 154,437.55 is: 231,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,846.57 : 914,771.85 = 154,437.55 : x
  2. Step 2: Convert to fraction form
    609,846.57/914,771.85 = 154,437.55/x
  3. Step 3: Cross multiply
    609,846.57x = 914,771.85 × 154,437.55
  4. Step 4: Simplify right side
    609,846.57x = 141,275,123,322.97
  5. Step 5: Solve for x
    x = 141,275,123,322.97/609,846.57
  6. Step 6: Final answer
    x = 231,656.83

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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.