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Finding the Fourth Proportional to 482,874.44, 666,353.92 and 268,008.96

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Solution

The fourth proportional to 482,874.44, 666,353.92 and 268,008.96 is: 369,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,874.44 : 666,353.92 = 268,008.96 : x
  2. Step 2: Convert to fraction form
    482,874.44/666,353.92 = 268,008.96/x
  3. Step 3: Cross multiply
    482,874.44x = 666,353.92 × 268,008.96
  4. Step 4: Simplify right side
    482,874.44x = 178,588,821,091.12
  5. Step 5: Solve for x
    x = 178,588,821,091.12/482,874.44
  6. Step 6: Final answer
    x = 369,845.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.