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Finding the Fourth Proportional to 336,441.96, 504,576.84 and 99,729.30

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Solution

The fourth proportional to 336,441.96, 504,576.84 and 99,729.30 is: 149,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,441.96 : 504,576.84 = 99,729.30 : x
  2. Step 2: Convert to fraction form
    336,441.96/504,576.84 = 99,729.30/x
  3. Step 3: Cross multiply
    336,441.96x = 504,576.84 × 99,729.30
  4. Step 4: Simplify right side
    336,441.96x = 50,321,095,049.41
  5. Step 5: Solve for x
    x = 50,321,095,049.41/336,441.96
  6. Step 6: Final answer
    x = 149,568.43

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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.