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Finding the Fourth Proportional to 345,435.69, 476,694.07 and 192,473.27

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Solution

The fourth proportional to 345,435.69, 476,694.07 and 192,473.27 is: 265,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,435.69 : 476,694.07 = 192,473.27 : x
  2. Step 2: Convert to fraction form
    345,435.69/476,694.07 = 192,473.27/x
  3. Step 3: Cross multiply
    345,435.69x = 476,694.07 × 192,473.27
  4. Step 4: Simplify right side
    345,435.69x = 91,750,866,442.51
  5. Step 5: Solve for x
    x = 91,750,866,442.51/345,435.69
  6. Step 6: Final answer
    x = 265,609.11

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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.