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Finding the Fourth Proportional to 351,803.00, 485,486.91 and 190,662

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Solution

The fourth proportional to 351,803.00, 485,486.91 and 190,662 is: 263,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,803.00 : 485,486.91 = 190,662 : x
  2. Step 2: Convert to fraction form
    351,803.00/485,486.91 = 190,662/x
  3. Step 3: Cross multiply
    351,803.00x = 485,486.91 × 190,662
  4. Step 4: Simplify right side
    351,803.00x = 92,563,905,234.42
  5. Step 5: Solve for x
    x = 92,563,905,234.42/351,803.00
  6. Step 6: Final answer
    x = 263,112.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.