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Finding the Fourth Proportional to 482,906.67, 666,419.03 and 265,135.42

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Solution

The fourth proportional to 482,906.67, 666,419.03 and 265,135.42 is: 365,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,906.67 : 666,419.03 = 265,135.42 : x
  2. Step 2: Convert to fraction form
    482,906.67/666,419.03 = 265,135.42/x
  3. Step 3: Cross multiply
    482,906.67x = 666,419.03 × 265,135.42
  4. Step 4: Simplify right side
    482,906.67x = 176,691,289,415.04
  5. Step 5: Solve for x
    x = 176,691,289,415.04/482,906.67
  6. Step 6: Final answer
    x = 365,891.18

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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.