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Finding the Fourth Proportional to 330,791.56, 456,481.52 and 185,588.54

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Solution

The fourth proportional to 330,791.56, 456,481.52 and 185,588.54 is: 256,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,791.56 : 456,481.52 = 185,588.54 : x
  2. Step 2: Convert to fraction form
    330,791.56/456,481.52 = 185,588.54/x
  3. Step 3: Cross multiply
    330,791.56x = 456,481.52 × 185,588.54
  4. Step 4: Simplify right side
    330,791.56x = 84,717,738,833.78
  5. Step 5: Solve for x
    x = 84,717,738,833.78/330,791.56
  6. Step 6: Final answer
    x = 256,106.11

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1.5x scale

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.