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Finding the Fourth Proportional to 536,021.36, 804,049.80 and 269,636.72

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Solution

The fourth proportional to 536,021.36, 804,049.80 and 269,636.72 is: 404,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,021.36 : 804,049.80 = 269,636.72 : x
  2. Step 2: Convert to fraction form
    536,021.36/804,049.80 = 269,636.72/x
  3. Step 3: Cross multiply
    536,021.36x = 804,049.80 × 269,636.72
  4. Step 4: Simplify right side
    536,021.36x = 216,801,350,788.66
  5. Step 5: Solve for x
    x = 216,801,350,788.66/536,021.36
  6. Step 6: Final answer
    x = 404,464.01

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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.