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Finding the Fourth Proportional to 503,251.68, 755,344.08 and 254,108.64

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Solution

The fourth proportional to 503,251.68, 755,344.08 and 254,108.64 is: 381,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,251.68 : 755,344.08 = 254,108.64 : x
  2. Step 2: Convert to fraction form
    503,251.68/755,344.08 = 254,108.64/x
  3. Step 3: Cross multiply
    503,251.68x = 755,344.08 × 254,108.64
  4. Step 4: Simplify right side
    503,251.68x = 191,939,456,900.85
  5. Step 5: Solve for x
    x = 191,939,456,900.85/503,251.68
  6. Step 6: Final answer
    x = 381,398.54

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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.