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Finding the Fourth Proportional to 296,754.37, 445,576.25 and 256,896.30

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Solution

The fourth proportional to 296,754.37, 445,576.25 and 256,896.30 is: 385,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,754.37 : 445,576.25 = 256,896.30 : x
  2. Step 2: Convert to fraction form
    296,754.37/445,576.25 = 256,896.30/x
  3. Step 3: Cross multiply
    296,754.37x = 445,576.25 × 256,896.30
  4. Step 4: Simplify right side
    296,754.37x = 114,466,889,992.88
  5. Step 5: Solve for x
    x = 114,466,889,992.88/296,754.37
  6. Step 6: Final answer
    x = 385,729.42

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1.5x scale

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.