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Finding the Fourth Proportional to 536,008.20, 804,012.30 and 161,982.60

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Solution

The fourth proportional to 536,008.20, 804,012.30 and 161,982.60 is: 242,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,008.20 : 804,012.30 = 161,982.60 : x
  2. Step 2: Convert to fraction form
    536,008.20/804,012.30 = 161,982.60/x
  3. Step 3: Cross multiply
    536,008.20x = 804,012.30 × 161,982.60
  4. Step 4: Simplify right side
    536,008.20x = 130,236,002,785.98
  5. Step 5: Solve for x
    x = 130,236,002,785.98/536,008.20
  6. Step 6: Final answer
    x = 242,973.90

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Similar ratio
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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.