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Finding the Fourth Proportional to 404,060.73, 606,087.09 and 154,742.73

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Solution

The fourth proportional to 404,060.73, 606,087.09 and 154,742.73 is: 232,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,060.73 : 606,087.09 = 154,742.73 : x
  2. Step 2: Convert to fraction form
    404,060.73/606,087.09 = 154,742.73/x
  3. Step 3: Cross multiply
    404,060.73x = 606,087.09 × 154,742.73
  4. Step 4: Simplify right side
    404,060.73x = 93,787,570,924.36
  5. Step 5: Solve for x
    x = 93,787,570,924.36/404,060.73
  6. Step 6: Final answer
    x = 232,112.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.