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Finding the Fourth Proportional to 536,512.36, 803,980.86 and 269,906.44

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Solution

The fourth proportional to 536,512.36, 803,980.86 and 269,906.44 is: 404,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,512.36 : 803,980.86 = 269,906.44 : x
  2. Step 2: Convert to fraction form
    536,512.36/803,980.86 = 269,906.44/x
  3. Step 3: Cross multiply
    536,512.36x = 803,980.86 × 269,906.44
  4. Step 4: Simplify right side
    536,512.36x = 216,999,611,750.74
  5. Step 5: Solve for x
    x = 216,999,611,750.74/536,512.36
  6. Step 6: Final answer
    x = 404,463.40

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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.