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Finding the Fourth Proportional to 475,861.18, 713,157.54 and 251,168.80

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Solution

The fourth proportional to 475,861.18, 713,157.54 and 251,168.80 is: 376,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,861.18 : 713,157.54 = 251,168.80 : x
  2. Step 2: Convert to fraction form
    475,861.18/713,157.54 = 251,168.80/x
  3. Step 3: Cross multiply
    475,861.18x = 713,157.54 × 251,168.80
  4. Step 4: Simplify right side
    475,861.18x = 179,122,923,532.75
  5. Step 5: Solve for x
    x = 179,122,923,532.75/475,861.18
  6. Step 6: Final answer
    x = 376,418.44

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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.