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Finding the Fourth Proportional to 305,238.73, 457,880.04 and 80,596.92

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Solution

The fourth proportional to 305,238.73, 457,880.04 and 80,596.92 is: 120,901.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,238.73 : 457,880.04 = 80,596.92 : x
  2. Step 2: Convert to fraction form
    305,238.73/457,880.04 = 80,596.92/x
  3. Step 3: Cross multiply
    305,238.73x = 457,880.04 × 80,596.92
  4. Step 4: Simplify right side
    305,238.73x = 36,903,722,670.53
  5. Step 5: Solve for x
    x = 36,903,722,670.53/305,238.73
  6. Step 6: Final answer
    x = 120,901.18

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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.