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Finding the Fourth Proportional to 331,074.48, 456,851.12 and 185,846.96

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Solution

The fourth proportional to 331,074.48, 456,851.12 and 185,846.96 is: 256,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,074.48 : 456,851.12 = 185,846.96 : x
  2. Step 2: Convert to fraction form
    331,074.48/456,851.12 = 185,846.96/x
  3. Step 3: Cross multiply
    331,074.48x = 456,851.12 × 185,846.96
  4. Step 4: Simplify right side
    331,074.48x = 84,904,391,824.60
  5. Step 5: Solve for x
    x = 84,904,391,824.60/331,074.48
  6. Step 6: Final answer
    x = 256,451.03

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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.