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Finding the Fourth Proportional to 381,910.52, 573,157.38 and 192,560.06

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Solution

The fourth proportional to 381,910.52, 573,157.38 and 192,560.06 is: 288,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,910.52 : 573,157.38 = 192,560.06 : x
  2. Step 2: Convert to fraction form
    381,910.52/573,157.38 = 192,560.06/x
  3. Step 3: Cross multiply
    381,910.52x = 573,157.38 × 192,560.06
  4. Step 4: Simplify right side
    381,910.52x = 110,367,219,482.24
  5. Step 5: Solve for x
    x = 110,367,219,482.24/381,910.52
  6. Step 6: Final answer
    x = 288,987.12

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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.