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Finding the Fourth Proportional to 408,954.69, 613,358.06 and 124,577.19

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Solution

The fourth proportional to 408,954.69, 613,358.06 and 124,577.19 is: 186,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,954.69 : 613,358.06 = 124,577.19 : x
  2. Step 2: Convert to fraction form
    408,954.69/613,358.06 = 124,577.19/x
  3. Step 3: Cross multiply
    408,954.69x = 613,358.06 × 124,577.19
  4. Step 4: Simplify right side
    408,954.69x = 76,410,422,955.77
  5. Step 5: Solve for x
    x = 76,410,422,955.77/408,954.69
  6. Step 6: Final answer
    x = 186,843.25

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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.