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Finding the Fourth Proportional to 227,028, 312,777 and 179,263.92

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Solution

The fourth proportional to 227,028, 312,777 and 179,263.92 is: 246,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,028 : 312,777 = 179,263.92 : x
  2. Step 2: Convert to fraction form
    227,028/312,777 = 179,263.92/x
  3. Step 3: Cross multiply
    227,028x = 312,777 × 179,263.92
  4. Step 4: Simplify right side
    227,028x = 56,069,631,105.84
  5. Step 5: Solve for x
    x = 56,069,631,105.84/227,028
  6. Step 6: Final answer
    x = 246,972.32

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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.