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Finding the Fourth Proportional to 536,496.20, 804,744.30 and 162,519.20

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Solution

The fourth proportional to 536,496.20, 804,744.30 and 162,519.20 is: 243,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,496.20 : 804,744.30 = 162,519.20 : x
  2. Step 2: Convert to fraction form
    536,496.20/804,744.30 = 162,519.20/x
  3. Step 3: Cross multiply
    536,496.20x = 804,744.30 × 162,519.20
  4. Step 4: Simplify right side
    536,496.20x = 130,786,399,840.56
  5. Step 5: Solve for x
    x = 130,786,399,840.56/536,496.20
  6. Step 6: Final answer
    x = 243,778.80

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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.