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Finding the Fourth Proportional to 404,362.73, 606,544.10 and 123,843.53

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Solution

The fourth proportional to 404,362.73, 606,544.10 and 123,843.53 is: 185,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,362.73 : 606,544.10 = 123,843.53 : x
  2. Step 2: Convert to fraction form
    404,362.73/606,544.10 = 123,843.53/x
  3. Step 3: Cross multiply
    404,362.73x = 606,544.10 × 123,843.53
  4. Step 4: Simplify right side
    404,362.73x = 75,116,563,806.23
  5. Step 5: Solve for x
    x = 75,116,563,806.23/404,362.73
  6. Step 6: Final answer
    x = 185,765.30

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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.