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Finding the Fourth Proportional to 404,053.45, 605,982.98 and 123,573.13

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Solution

The fourth proportional to 404,053.45, 605,982.98 and 123,573.13 is: 185,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,053.45 : 605,982.98 = 123,573.13 : x
  2. Step 2: Convert to fraction form
    404,053.45/605,982.98 = 123,573.13/x
  3. Step 3: Cross multiply
    404,053.45x = 605,982.98 × 123,573.13
  4. Step 4: Simplify right side
    404,053.45x = 74,883,212,947.46
  5. Step 5: Solve for x
    x = 74,883,212,947.46/404,053.45
  6. Step 6: Final answer
    x = 185,329.97

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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.