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Finding the Fourth Proportional to 463,704.75, 639,912.56 and 262,500.75

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Solution

The fourth proportional to 463,704.75, 639,912.56 and 262,500.75 is: 362,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,704.75 : 639,912.56 = 262,500.75 : x
  2. Step 2: Convert to fraction form
    463,704.75/639,912.56 = 262,500.75/x
  3. Step 3: Cross multiply
    463,704.75x = 639,912.56 × 262,500.75
  4. Step 4: Simplify right side
    463,704.75x = 167,977,525,621.92
  5. Step 5: Solve for x
    x = 167,977,525,621.92/463,704.75
  6. Step 6: Final answer
    x = 362,251.04

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Double scale
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Similar ratio
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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.