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Finding the Fourth Proportional to 408,647.25, 612,964.73 and 183,848.94

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Solution

The fourth proportional to 408,647.25, 612,964.73 and 183,848.94 is: 275,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,647.25 : 612,964.73 = 183,848.94 : x
  2. Step 2: Convert to fraction form
    408,647.25/612,964.73 = 183,848.94/x
  3. Step 3: Cross multiply
    408,647.25x = 612,964.73 × 183,848.94
  4. Step 4: Simplify right side
    408,647.25x = 112,692,915,551.90
  5. Step 5: Solve for x
    x = 112,692,915,551.90/408,647.25
  6. Step 6: Final answer
    x = 275,770.64

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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.