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Finding the Fourth Proportional to 332,892.76, 499,290 and 122,481.76

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Solution

The fourth proportional to 332,892.76, 499,290 and 122,481.76 is: 183,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,892.76 : 499,290 = 122,481.76 : x
  2. Step 2: Convert to fraction form
    332,892.76/499,290 = 122,481.76/x
  3. Step 3: Cross multiply
    332,892.76x = 499,290 × 122,481.76
  4. Step 4: Simplify right side
    332,892.76x = 61,153,917,950.40
  5. Step 5: Solve for x
    x = 61,153,917,950.40/332,892.76
  6. Step 6: Final answer
    x = 183,704.56

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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.