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Finding the Fourth Proportional to 325,414.80, 437,910.30 and 325,414.80

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Solution

The fourth proportional to 325,414.80, 437,910.30 and 325,414.80 is: 437,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,414.80 : 437,910.30 = 325,414.80 : x
  2. Step 2: Convert to fraction form
    325,414.80/437,910.30 = 325,414.80/x
  3. Step 3: Cross multiply
    325,414.80x = 437,910.30 × 325,414.80
  4. Step 4: Simplify right side
    325,414.80x = 142,502,492,692.44
  5. Step 5: Solve for x
    x = 142,502,492,692.44/325,414.80
  6. Step 6: Final answer
    x = 437,910.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.