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Finding the Fourth Proportional to 271,164.27, 406,318.32 and 220,315.32

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Solution

The fourth proportional to 271,164.27, 406,318.32 and 220,315.32 is: 330,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,164.27 : 406,318.32 = 220,315.32 : x
  2. Step 2: Convert to fraction form
    271,164.27/406,318.32 = 220,315.32/x
  3. Step 3: Cross multiply
    271,164.27x = 406,318.32 × 220,315.32
  4. Step 4: Simplify right side
    271,164.27x = 89,518,150,692.66
  5. Step 5: Solve for x
    x = 89,518,150,692.66/271,164.27
  6. Step 6: Final answer
    x = 330,125.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.