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Finding the Fourth Proportional to 408,662.44, 612,987.50 and 183,864.12

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Solution

The fourth proportional to 408,662.44, 612,987.50 and 183,864.12 is: 275,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,662.44 : 612,987.50 = 183,864.12 : x
  2. Step 2: Convert to fraction form
    408,662.44/612,987.50 = 183,864.12/x
  3. Step 3: Cross multiply
    408,662.44x = 612,987.50 × 183,864.12
  4. Step 4: Simplify right side
    408,662.44x = 112,706,407,258.50
  5. Step 5: Solve for x
    x = 112,706,407,258.50/408,662.44
  6. Step 6: Final answer
    x = 275,793.41

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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.