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Finding the Fourth Proportional to 304,660.44, 420,444.61 and 168,694.38

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Solution

The fourth proportional to 304,660.44, 420,444.61 and 168,694.38 is: 232,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,660.44 : 420,444.61 = 168,694.38 : x
  2. Step 2: Convert to fraction form
    304,660.44/420,444.61 = 168,694.38/x
  3. Step 3: Cross multiply
    304,660.44x = 420,444.61 × 168,694.38
  4. Step 4: Simplify right side
    304,660.44x = 70,926,642,386.56
  5. Step 5: Solve for x
    x = 70,926,642,386.56/304,660.44
  6. Step 6: Final answer
    x = 232,805.55

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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.