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Finding the Fourth Proportional to 339,455.84, 468,533.23 and 196,195.19

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Solution

The fourth proportional to 339,455.84, 468,533.23 and 196,195.19 is: 270,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,455.84 : 468,533.23 = 196,195.19 : x
  2. Step 2: Convert to fraction form
    339,455.84/468,533.23 = 196,195.19/x
  3. Step 3: Cross multiply
    339,455.84x = 468,533.23 × 196,195.19
  4. Step 4: Simplify right side
    339,455.84x = 91,923,963,248.01
  5. Step 5: Solve for x
    x = 91,923,963,248.01/339,455.84
  6. Step 6: Final answer
    x = 270,798.01

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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.