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Finding the Fourth Proportional to 345,568, 476,888.64 and 192,601.96

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Solution

The fourth proportional to 345,568, 476,888.64 and 192,601.96 is: 265,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,568 : 476,888.64 = 192,601.96 : x
  2. Step 2: Convert to fraction form
    345,568/476,888.64 = 192,601.96/x
  3. Step 3: Cross multiply
    345,568x = 476,888.64 × 192,601.96
  4. Step 4: Simplify right side
    345,568x = 91,849,686,765.73
  5. Step 5: Solve for x
    x = 91,849,686,765.73/345,568
  6. Step 6: Final answer
    x = 265,793.38

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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.