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Finding the Fourth Proportional to 451,529, 623,129.46 and 250,325

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Solution

The fourth proportional to 451,529, 623,129.46 and 250,325 is: 345,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,529 : 623,129.46 = 250,325 : x
  2. Step 2: Convert to fraction form
    451,529/623,129.46 = 250,325/x
  3. Step 3: Cross multiply
    451,529x = 623,129.46 × 250,325
  4. Step 4: Simplify right side
    451,529x = 155,984,882,074.50
  5. Step 5: Solve for x
    x = 155,984,882,074.50/451,529
  6. Step 6: Final answer
    x = 345,459.28

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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.