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Finding the Fourth Proportional to 408,648.06, 612,965.93 and 183,849.75

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Solution

The fourth proportional to 408,648.06, 612,965.93 and 183,849.75 is: 275,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,648.06 : 612,965.93 = 183,849.75 : x
  2. Step 2: Convert to fraction form
    408,648.06/612,965.93 = 183,849.75/x
  3. Step 3: Cross multiply
    408,648.06x = 612,965.93 × 183,849.75
  4. Step 4: Simplify right side
    408,648.06x = 112,693,632,069.77
  5. Step 5: Solve for x
    x = 112,693,632,069.77/408,648.06
  6. Step 6: Final answer
    x = 275,771.85

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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.