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Finding the Fourth Proportional to 330,887.34, 496,418.48 and 173,073.42

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Solution

The fourth proportional to 330,887.34, 496,418.48 and 173,073.42 is: 259,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,887.34 : 496,418.48 = 173,073.42 : x
  2. Step 2: Convert to fraction form
    330,887.34/496,418.48 = 173,073.42/x
  3. Step 3: Cross multiply
    330,887.34x = 496,418.48 × 173,073.42
  4. Step 4: Simplify right side
    330,887.34x = 85,916,844,084.80
  5. Step 5: Solve for x
    x = 85,916,844,084.80/330,887.34
  6. Step 6: Final answer
    x = 259,655.88

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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.