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Finding the Fourth Proportional to 536,183.40, 803,886.30 and 220,477.80

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Solution

The fourth proportional to 536,183.40, 803,886.30 and 220,477.80 is: 330,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,183.40 : 803,886.30 = 220,477.80 : x
  2. Step 2: Convert to fraction form
    536,183.40/803,886.30 = 220,477.80/x
  3. Step 3: Cross multiply
    536,183.40x = 803,886.30 × 220,477.80
  4. Step 4: Simplify right side
    536,183.40x = 177,239,082,874.14
  5. Step 5: Solve for x
    x = 177,239,082,874.14/536,183.40
  6. Step 6: Final answer
    x = 330,556.83

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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.