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Finding the Fourth Proportional to 339,342.68, 468,240.81 and 196,075.04

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Solution

The fourth proportional to 339,342.68, 468,240.81 and 196,075.04 is: 270,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,342.68 : 468,240.81 = 196,075.04 : x
  2. Step 2: Convert to fraction form
    339,342.68/468,240.81 = 196,075.04/x
  3. Step 3: Cross multiply
    339,342.68x = 468,240.81 × 196,075.04
  4. Step 4: Simplify right side
    339,342.68x = 91,810,333,209.18
  5. Step 5: Solve for x
    x = 91,810,333,209.18/339,342.68
  6. Step 6: Final answer
    x = 270,553.46

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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.