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Finding the Fourth Proportional to 447,772.35, 617,452.29 and 345,814.41

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Solution

The fourth proportional to 447,772.35, 617,452.29 and 345,814.41 is: 476,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,772.35 : 617,452.29 = 345,814.41 : x
  2. Step 2: Convert to fraction form
    447,772.35/617,452.29 = 345,814.41/x
  3. Step 3: Cross multiply
    447,772.35x = 617,452.29 × 345,814.41
  4. Step 4: Simplify right side
    447,772.35x = 213,523,899,369.50
  5. Step 5: Solve for x
    x = 213,523,899,369.50/447,772.35
  6. Step 6: Final answer
    x = 476,858.16

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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.