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Finding the Fourth Proportional to 447,408.56, 617,321.50 and 253,770.01

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Solution

The fourth proportional to 447,408.56, 617,321.50 and 253,770.01 is: 350,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,408.56 : 617,321.50 = 253,770.01 : x
  2. Step 2: Convert to fraction form
    447,408.56/617,321.50 = 253,770.01/x
  3. Step 3: Cross multiply
    447,408.56x = 617,321.50 × 253,770.01
  4. Step 4: Simplify right side
    447,408.56x = 156,657,685,950.38
  5. Step 5: Solve for x
    x = 156,657,685,950.38/447,408.56
  6. Step 6: Final answer
    x = 350,144.59

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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.