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Finding the Fourth Proportional to 399,755.75, 599,799.69 and 175,000.49

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Solution

The fourth proportional to 399,755.75, 599,799.69 and 175,000.49 is: 262,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,755.75 : 599,799.69 = 175,000.49 : x
  2. Step 2: Convert to fraction form
    399,755.75/599,799.69 = 175,000.49/x
  3. Step 3: Cross multiply
    399,755.75x = 599,799.69 × 175,000.49
  4. Step 4: Simplify right side
    399,755.75x = 104,965,239,651.85
  5. Step 5: Solve for x
    x = 104,965,239,651.85/399,755.75
  6. Step 6: Final answer
    x = 262,573.43

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1.5x scale

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.