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Finding the Fourth Proportional to 271,679.04, 407,540.16 and 84,692.16

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Solution

The fourth proportional to 271,679.04, 407,540.16 and 84,692.16 is: 127,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,679.04 : 407,540.16 = 84,692.16 : x
  2. Step 2: Convert to fraction form
    271,679.04/407,540.16 = 84,692.16/x
  3. Step 3: Cross multiply
    271,679.04x = 407,540.16 × 84,692.16
  4. Step 4: Simplify right side
    271,679.04x = 34,515,456,437.15
  5. Step 5: Solve for x
    x = 34,515,456,437.15/271,679.04
  6. Step 6: Final answer
    x = 127,044.97

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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.